Over 200 U.S. Department of Energy Manuals Combined: CLASSICAL PHYSICS; ELECTRICAL SCIENCE; THERMODYNAMICS, HEAT TRANSFER AND FLUID FUNDAMENTALS; INSTRUMENTATION AND CONTROL; MATHEMATICS; CHEMISTRY; ENGINEERING SYMBIOLOGY; MATERIAL SCIENCE; MECHANICAL SCIENCE; AND NUCLEAR PHYSICS AND REACTOR THEORY

Download Over 200 U.S. Department of Energy Manuals Combined: CLASSICAL PHYSICS; ELECTRICAL SCIENCE; THERMODYNAMICS, HEAT TRANSFER AND FLUID FUNDAMENTALS; INSTRUMENTATION AND CONTROL; MATHEMATICS; CHEMISTRY; ENGINEERING SYMBIOLOGY; MATERIAL SCIENCE; MECHANICAL SCIENCE; AND NUCLEAR PHYSICS AND REACTOR THEORY PDF Online Free

Author :
Publisher : Jeffrey Frank Jones
ISBN 13 :
Total Pages : 19288 pages
Book Rating : 4./5 ( download)

DOWNLOAD NOW!


Book Synopsis Over 200 U.S. Department of Energy Manuals Combined: CLASSICAL PHYSICS; ELECTRICAL SCIENCE; THERMODYNAMICS, HEAT TRANSFER AND FLUID FUNDAMENTALS; INSTRUMENTATION AND CONTROL; MATHEMATICS; CHEMISTRY; ENGINEERING SYMBIOLOGY; MATERIAL SCIENCE; MECHANICAL SCIENCE; AND NUCLEAR PHYSICS AND REACTOR THEORY by :

Download or read book Over 200 U.S. Department of Energy Manuals Combined: CLASSICAL PHYSICS; ELECTRICAL SCIENCE; THERMODYNAMICS, HEAT TRANSFER AND FLUID FUNDAMENTALS; INSTRUMENTATION AND CONTROL; MATHEMATICS; CHEMISTRY; ENGINEERING SYMBIOLOGY; MATERIAL SCIENCE; MECHANICAL SCIENCE; AND NUCLEAR PHYSICS AND REACTOR THEORY written by and published by Jeffrey Frank Jones. This book was released on with total page 19288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over 19,000 total pages ... Public Domain U.S. Government published manual: Numerous illustrations and matrices. Published in the 1990s and after 2000. TITLES and CONTENTS: ELECTRICAL SCIENCES - Contains the following manuals: Electrical Science, Vol 1 - Electrical Science, Vol 2 - Electrical Science, Vol 3 - Electrical Science, Vol 4 - Thermodynamics, Heat Transfer, And Fluid Flow, Vol 1 - Thermodynamics, Heat Transfer, And Fluid Flow, Vol 2 - Thermodynamics, Heat Transfer, And Fluid Flow, Vol 3 - Instrumentation And Control, Vol 1 - Instrumentation And Control, Vol 2 Mathematics, Vol 1 - Mathematics, Vol 2 - Chemistry, Vol 1 - Chemistry, Vol 2 - Engineering Symbology, Prints, And Drawings, Vol 1 - Engineering Symbology, Prints, And Drawings, Vol 2 - Material Science, Vol 1 - Material Science, Vol 2 - Mechanical Science, Vol 1 - Mechanical Science, Vol 2 - Nuclear Physics And Reactor Theory, Vol 1 - Nuclear Physics And Reactor Theory, Vol 2. CLASSICAL PHYSICS - The Classical Physics Fundamentals includes information on the units used to measure physical properties; vectors, and how they are used to show the net effect of various forces; Newton's Laws of motion, and how to use these laws in force and motion applications; and the concepts of energy, work, and power, and how to measure and calculate the energy involved in various applications. * Scalar And Vector Quantities * Vector Identification * Vectors: Resultants And Components * Graphic Method Of Vector Addition * Component Addition Method * Analytical Method Of Vector Addition * Newton's Laws Of Motion * Momentum Principles * Force And Weight * Free-Body Diagrams * Force Equilibrium * Types Of Force * Energy And Work * Law Of Conservation Of Energy * Power – ELECTRICAL SCIENCE: The Electrical Science Fundamentals Handbook includes information on alternating current (AC) and direct current (DC) theory, circuits, motors, and generators; AC power and reactive components; batteries; AC and DC voltage regulators; transformers; and electrical test instruments and measuring devices. * Atom And Its Forces * Electrical Terminology * Units Of Electrical Measurement * Methods Of Producing Voltage (Electricity) * Magnetism * Magnetic Circuits * Electrical Symbols * DC Sources * DC Circuit Terminology * Basic DC Circuit Calculations * Voltage Polarity And Current Direction * Kirchhoff's Laws * DC Circuit Analysis * DC Circuit Faults * Inductance * Capacitance * Battery Terminology * Battery Theory * Battery Operations * Types Of Batteries * Battery Hazards * DC Equipment Terminology * DC Equipment Construction * DC Generator Theory * DC Generator Construction * DC Motor Theory * Types Of DC Motors * DC Motor Operation * AC Generation * AC Generation Analysis * Inductance * Capacitance * Impedance * Resonance * Power Triangle * Three-Phase Circuits * AC Generator Components * AC Generator Theory * AC Generator Operation * Voltage Regulators * AC Motor Theory * AC Motor Types * Transformer Theory * Transformer Types * Meter Movements * Voltmeters * Ammeters * Ohm Meters * Wattmeters * Other Electrical Measuring Devices * Test Equipment * System Components And Protection Devices * Circuit Breakers * Motor Controllers * Wiring Schemes And Grounding THERMODYNAMICS, HEAT TRANSFER AND FLUID FUNDAMENTALS. The Thermodynamics, Heat Transfer, and Fluid Flow Fundamentals Handbook includes information on thermodynamics and the properties of fluids; the three modes of heat transfer - conduction, convection, and radiation; and fluid flow, and the energy relationships in fluid systems. * Thermodynamic Properties * Temperature And Pressure Measurements * Energy, Work, And Heat * Thermodynamic Systems And Processes * Change Of Phase * Property Diagrams And Steam Tables * First Law Of Thermodynamics * Second Law Of Thermodynamics * Compression Processes * Heat Transfer Terminology * Conduction Heat Transfer * Convection Heat Transfer * Radiant Heat Transfer * Heat Exchangers * Boiling Heat Transfer * Heat Generation * Decay Heat * Continuity Equation * Laminar And Turbulent Flow * Bernoulli's Equation * Head Loss * Natural Circulation * Two-Phase Fluid Flow * Centrifugal Pumps INSTRUMENTATION AND CONTROL. The Instrumentation and Control Fundamentals Handbook includes information on temperature, pressure, flow, and level detection systems; position indication systems; process control systems; and radiation detection principles. * Resistance Temperature Detectors (Rtds) * Thermocouples * Functional Uses Of Temperature Detectors * Temperature Detection Circuitry * Pressure Detectors * Pressure Detector Functional Uses * Pressure Detection Circuitry * Level Detectors * Density Compensation * Level Detection Circuitry * Head Flow Meters * Other Flow Meters * Steam Flow Detection * Flow Circuitry * Synchro Equipment * Switches * Variable Output Devices * Position Indication Circuitry * Radiation Detection Terminology * Radiation Types * Gas-Filled Detector * Detector Voltage * Proportional Counter * Proportional Counter Circuitry * Ionization Chamber * Compensated Ion Chamber * Electroscope Ionization Chamber * Geiger-Müller Detector * Scintillation Counter * Gamma Spectroscopy * Miscellaneous Detectors * Circuitry And Circuit Elements * Source Range Nuclear Instrumentation * Intermediate Range Nuclear Instrumentation * Power Range Nuclear Instrumentation * Principles Of Control Systems * Control Loop Diagrams * Two Position Control Systems * Proportional Control Systems * Reset (Integral) Control Systems * Proportional Plus Reset Control Systems * Proportional Plus Rate Control Systems * Proportional-Integral-Derivative Control Systems * Controllers * Valve Actuators MATHEMATICS The Mathematics Fundamentals Handbook includes a review of introductory mathematics and the concepts and functional use of algebra, geometry, trigonometry, and calculus. Word problems, equations, calculations, and practical exercises that require the use of each of the mathematical concepts are also presented. * Calculator Operations * Four Basic Arithmetic Operations * Averages * Fractions * Decimals * Signed Numbers * Significant Digits * Percentages * Exponents * Scientific Notation * Radicals * Algebraic Laws * Linear Equations * Quadratic Equations * Simultaneous Equations * Word Problems * Graphing * Slopes * Interpolation And Extrapolation * Basic Concepts Of Geometry * Shapes And Figures Of Plane Geometry * Solid Geometric Figures * Pythagorean Theorem * Trigonometric Functions * Radians * Statistics * Imaginary And Complex Numbers * Matrices And Determinants * Calculus CHEMISTRY The Chemistry Handbook includes information on the atomic structure of matter; chemical bonding; chemical equations; chemical interactions involved with corrosion processes; water chemistry control, including the principles of water treatment; the hazards of chemicals and gases, and basic gaseous diffusion processes. * Characteristics Of Atoms * The Periodic Table * Chemical Bonding * Chemical Equations * Acids, Bases, Salts, And Ph * Converters * Corrosion Theory * General Corrosion * Crud And Galvanic Corrosion * Specialized Corrosion * Effects Of Radiation On Water Chemistry (Synthesis) * Chemistry Parameters * Purpose Of Water Treatment * Water Treatment Processes * Dissolved Gases, Suspended Solids, And Ph Control * Water Purity * Corrosives (Acids And Alkalies) * Toxic Compound * Compressed Gases * Flammable And Combustible Liquids ENGINEERING SYMBIOLOGY. The Engineering Symbology, Prints, and Drawings Handbook includes information on engineering fluid drawings and prints; piping and instrument drawings; major symbols and conventions; electronic diagrams and schematics; logic circuits and diagrams; and fabrication, construction, and architectural drawings. * Introduction To Print Reading * Introduction To The Types Of Drawings, Views, And Perspectives * Engineering Fluids Diagrams And Prints * Reading Engineering P&Ids * P&Id Print Reading Example * Fluid Power P&Ids * Electrical Diagrams And Schematics * Electrical Wiring And Schematic Diagram Reading Examples * Electronic Diagrams And Schematics * Examples * Engineering Logic Diagrams * Truth Tables And Exercises * Engineering Fabrication, Construction, And Architectural Drawings * Engineering Fabrication, Construction, And Architectural Drawing, Examples MATERIAL SCIENCE. The Material Science Handbook includes information on the structure and properties of metals, stress mechanisms in metals, failure modes, and the characteristics of metals that are commonly used in DOE nuclear facilities. * Bonding * Common Lattice Types * Grain Structure And Boundary * Polymorphism * Alloys * Imperfections In Metals * Stress * Strain * Young's Modulus * Stress-Strain Relationship * Physical Properties * Working Of Metals * Corrosion * Hydrogen Embrittlement * Tritium/Material Compatibility * Thermal Stress * Pressurized Thermal Shock * Brittle Fracture Mechanism * Minimum Pressurization-Temperature Curves * Heatup And Cooldown Rate Limits * Properties Considered * When Selecting Materials * Fuel Materials * Cladding And Reflectors * Control Materials * Shielding Materials * Nuclear Reactor Core Problems * Plant Material Problems * Atomic Displacement Due To Irradiation * Thermal And Displacement Spikes * Due To Irradiation * Effect Due To Neutron Capture * Radiation Effects In Organic Compounds * Reactor Use Of Aluminum MECHANICAL SCIENCE. The Mechanical Science Handbook includes information on diesel engines, heat exchangers, pumps, valves, and miscellaneous mechanical components. * Diesel Engines * Fundamentals Of The Diesel Cycle * Diesel Engine Speed, Fuel Controls, And Protection * Types Of Heat Exchangers * Heat Exchanger Applications * Centrifugal Pumps * Centrifugal Pump Operation * Positive Displacement Pumps * Valve Functions And Basic Parts * Types Of Valves * Valve Actuators * Air Compressors * Hydraulics * Boilers * Cooling Towers * Demineralizers * Pressurizers * Steam Traps * Filters And Strainers NUCLEAR PHYSICS AND REACTOR THEORY. The Nuclear Physics and Reactor Theory Handbook includes information on atomic and nuclear physics; neutron characteristics; reactor theory and nuclear parameters; and the theory of reactor operation. * Atomic Nature Of Matter * Chart Of The Nuclides * Mass Defect And Binding Energy * Modes Of Radioactive Decay * Radioactivity * Neutron Interactions * Nuclear Fission * Energy Release From Fission * Interaction Of Radiation With Matter * Neutron Sources * Nuclear Cross Sections And Neutron Flux * Reaction Rates * Neutron Moderation * Prompt And Delayed Neutrons * Neutron Flux Spectrum * Neutron Life Cycle * Reactivity * Reactivity Coefficients * Neutron Poisons * Xenon * Samarium And Other Fission Product Poisons * Control Rods * Subcritical Multiplication * Reactor Kinetics * Reactor

The Current Status and Future Direction for U.S. Nuclear Weapons Policy and Posture

Download The Current Status and Future Direction for U.S. Nuclear Weapons Policy and Posture PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (319 download)

DOWNLOAD NOW!


Book Synopsis The Current Status and Future Direction for U.S. Nuclear Weapons Policy and Posture by : United States. Congress. House. Committee on Armed Services. Strategic Forces Subcommittee

Download or read book The Current Status and Future Direction for U.S. Nuclear Weapons Policy and Posture written by United States. Congress. House. Committee on Armed Services. Strategic Forces Subcommittee and published by . This book was released on 2012 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:

106-1 Hearings: Energy And Water Development Appropriations For 2000, Part 6, March 16, 1999

Download 106-1 Hearings: Energy And Water Development Appropriations For 2000, Part 6, March 16, 1999 PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 752 pages
Book Rating : 4.F/5 ( download)

DOWNLOAD NOW!


Book Synopsis 106-1 Hearings: Energy And Water Development Appropriations For 2000, Part 6, March 16, 1999 by :

Download or read book 106-1 Hearings: Energy And Water Development Appropriations For 2000, Part 6, March 16, 1999 written by and published by . This book was released on 1999 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The United States Government Manual

Download The United States Government Manual PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.:/5 (327 download)

DOWNLOAD NOW!


Book Synopsis The United States Government Manual by : United States. Office of the Federal Register

Download or read book The United States Government Manual written by United States. Office of the Federal Register and published by . This book was released on 2007 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy and Water Development Appropriations for 2000

Download Energy and Water Development Appropriations for 2000 PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 740 pages
Book Rating : 4.3/5 ( download)

DOWNLOAD NOW!


Book Synopsis Energy and Water Development Appropriations for 2000 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development

Download or read book Energy and Water Development Appropriations for 2000 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 1999 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Annual Report to Congress

Download Annual Report to Congress PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 606 pages
Book Rating : 4.F/5 ( download)

DOWNLOAD NOW!


Book Synopsis Annual Report to Congress by : United States. Defense Nuclear Facilities Safety Board

Download or read book Annual Report to Congress written by United States. Defense Nuclear Facilities Safety Board and published by . This book was released on 1991 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Federal Register

Download Federal Register PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 1096 pages
Book Rating : 4.:/5 (31 download)

DOWNLOAD NOW!


Book Synopsis Federal Register by :

Download or read book Federal Register written by and published by . This book was released on 1998-10-06 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Legislative Calendar

Download Legislative Calendar PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.F/5 ( download)

DOWNLOAD NOW!


Book Synopsis Legislative Calendar by : United States. Congress. Senate. Committee on Energy and Natural Resources

Download or read book Legislative Calendar written by United States. Congress. Senate. Committee on Energy and Natural Resources and published by . This book was released on with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:

United States Government Organization Manual

Download United States Government Organization Manual PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 716 pages
Book Rating : 4.:/5 (334 download)

DOWNLOAD NOW!


Book Synopsis United States Government Organization Manual by :

Download or read book United States Government Organization Manual written by and published by . This book was released on 2007 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy and Water Development Appropriations for 2002: Department of Energy fiscal year 2002 budget justifications

Download Energy and Water Development Appropriations for 2002: Department of Energy fiscal year 2002 budget justifications PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 3046 pages
Book Rating : 4.:/5 (7 download)

DOWNLOAD NOW!


Book Synopsis Energy and Water Development Appropriations for 2002: Department of Energy fiscal year 2002 budget justifications by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development

Download or read book Energy and Water Development Appropriations for 2002: Department of Energy fiscal year 2002 budget justifications written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2001 with total page 3046 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy and Water Development Appropriations for 2001: Department of Energy fiscal year 2001 budget justifications

Download Energy and Water Development Appropriations for 2001: Department of Energy fiscal year 2001 budget justifications PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 3160 pages
Book Rating : 4.3/5 (121 download)

DOWNLOAD NOW!


Book Synopsis Energy and Water Development Appropriations for 2001: Department of Energy fiscal year 2001 budget justifications by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development

Download or read book Energy and Water Development Appropriations for 2001: Department of Energy fiscal year 2001 budget justifications written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2000 with total page 3160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The United States Government Manual

Download The United States Government Manual PDF Online Free

Author :
Publisher : National Archives & Records Administration
ISBN 13 : 9781598044492
Total Pages : 724 pages
Book Rating : 4.0/5 (444 download)

DOWNLOAD NOW!


Book Synopsis The United States Government Manual by : United States. Office of the Federal Register

Download or read book The United States Government Manual written by United States. Office of the Federal Register and published by National Archives & Records Administration. This book was released on 2008 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Commercial-Industrial Cleaning, by Pressure-Washing, Hydro-Blasting and UHP-Jetting

Download Commercial-Industrial Cleaning, by Pressure-Washing, Hydro-Blasting and UHP-Jetting PDF Online Free

Author :
Publisher : Springer Science & Business Media
ISBN 13 : 0857298356
Total Pages : 641 pages
Book Rating : 4.8/5 (572 download)

DOWNLOAD NOW!


Book Synopsis Commercial-Industrial Cleaning, by Pressure-Washing, Hydro-Blasting and UHP-Jetting by : Wolfgang Maasberg

Download or read book Commercial-Industrial Cleaning, by Pressure-Washing, Hydro-Blasting and UHP-Jetting written by Wolfgang Maasberg and published by Springer Science & Business Media. This book was released on 2012-01-05 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: Commercial-Industrial Cleaning, by Pressure-Washing, Hydro-Blasting and UHP-Jetting is the first proprietary manual for cleaning and rehabilitation through pressure-washing, hydro-blasting and ultra high pressure water jetting (UHP). It examines the cleaning, restoration and rehabilitation of statuary and historical structures; manufacturing hardware; and application technologies for residential, commercial and industrial areas, structures and buildings. Commercial-Industrial Cleaning, by Pressure-Washing, Hydro-Blasting and UHP-Jetting contains over 450 applications from agricultural, marine, municipal, food processing, paper-pulp, pharmaceutical and cosmetic, industrial and power generating maintenance areas. It includes gear lists to help readers easily identify the appropriate tooling and equipment for each specific application and industry. Commercial-Industrial Cleaning, by Pressure-Washing, Hydro-Blasting and UHP-Jetting supplies readers with the tools to create a successful business model for retaining and safeguarding corporate application itineraries. It is a valuable guide for maintenance superintendents, buyers of maintenance services, contractors, field technicians, engineers and architects involved in commercial-industrial cleaning.

Energy and Water Development Appropriations for 2007: Environmental management and commercial waste management ... pt. 7. Statements of members of congress and other interested individuals and organizations

Download Energy and Water Development Appropriations for 2007: Environmental management and commercial waste management ... pt. 7. Statements of members of congress and other interested individuals and organizations PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.E/5 ( download)

DOWNLOAD NOW!


Book Synopsis Energy and Water Development Appropriations for 2007: Environmental management and commercial waste management ... pt. 7. Statements of members of congress and other interested individuals and organizations by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development

Download or read book Energy and Water Development Appropriations for 2007: Environmental management and commercial waste management ... pt. 7. Statements of members of congress and other interested individuals and organizations written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2006 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Department of Defense Authorization for Appropriations for Fiscal Year 2007

Download Department of Defense Authorization for Appropriations for Fiscal Year 2007 PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (327 download)

DOWNLOAD NOW!


Book Synopsis Department of Defense Authorization for Appropriations for Fiscal Year 2007 by : United States. Congress. Senate. Committee on Armed Services

Download or read book Department of Defense Authorization for Appropriations for Fiscal Year 2007 written by United States. Congress. Senate. Committee on Armed Services and published by . This book was released on 2007 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy and Water Development Appropriations for 2007

Download Energy and Water Development Appropriations for 2007 PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.:/5 (319 download)

DOWNLOAD NOW!


Book Synopsis Energy and Water Development Appropriations for 2007 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development

Download or read book Energy and Water Development Appropriations for 2007 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2006 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy and Water Development Appropriations for 2005

Download Energy and Water Development Appropriations for 2005 PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 484 pages
Book Rating : 4.:/5 (319 download)

DOWNLOAD NOW!


Book Synopsis Energy and Water Development Appropriations for 2005 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development

Download or read book Energy and Water Development Appropriations for 2005 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2004 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: