- -63%
Mathematics for Plumbers and Pipefitters (8th Edition)
0Original price was: $145.00.$54.00Current price is: $54.00.The trade math a plumber or pipefitter uses on site, taught from the ground up with no assumed background.
Lee Smith’s eighth edition has been an apprenticeship and trade-school text for years. It starts with whole numbers and fractions, then works up through measurement, geometry, offsets and travel, and pipe capacity, keeping every topic tied to the sort of problem that turns up on a job rather than in a math class. Suited to apprentices, HVAC and mechanical trades students, and anyone going back over the numbers before a journeyman exam. Cengage Learning (Delmar) paperback, ISBN 9781285397801.
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NFPA 31: Standard for the Installation of Oil-Burning Equipment, 2020 edition
0Original price was: $165.00.$48.00Current price is: $48.00.The installation rulebook for oil-fired boilers, furnaces, heaters and their venting.
NFPA 31 tells you how liquid fuel heating equipment is designed, sited and installed, from kerosene and diesel through No. 2 heating oil to heavier grades. The 2020 edition covers appliance placement, chimney connectors and type L venting, and the separate rules that apply to used oil heating units. Written for contractors, heating mechanics, designers and the inspectors who approve the work. National Fire Protection Association trade paperback, ISBN 9781455924875.
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NFPA 921, Guide for Fire and Explosion Investigations, 2021 Edition
0Original price was: $147.00.$54.00Current price is: $54.00.The NFPA methodology document that fire and explosion investigators are expected to work to, in its 2021 edition.
NFPA 921 walks through origin and cause investigation as a scientific process: hypothesis, testing, and eliminating alternatives. This edition rebuilds Chapter 6 so fire pattern analysis and arc mapping form one origin-determination process, and folds the old Chapter 20 into Chapter 19. Used by fire investigators, forensic engineers, claims investigators and attorneys. NFPA paperback, ISBN 9781455926466.
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NFPA 96, Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations, 2024 Edition
0Original price was: $149.00.$54.00Current price is: $54.00.The 2024 NFPA rules for kitchen exhaust hoods, grease removal and fire suppression, in one paperback.
NFPA 96 covers what a commercial cooking operation has to do to design, install, inspect and maintain its ventilation and fire protection equipment. Hoods, grease filters, exhaust fans, clearance to combustibles and automatic suppression are all in scope, with wider rules this edition for food trucks and other mobile cooking. Written for mechanical engineers, restaurant contractors, facility managers and the inspectors who sign the work off. National Fire Protection Association paperback, ISBN 9781455930531.
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PPI PE Environmental Practice Exams
0Original price was: $120.00.$45.00Current price is: $45.00.Two full-length mock exams that match the real PE Environmental exam in scope, difficulty and question format.
R. Wane Schneiter, PhD, PE, sets 160 multiple-choice problems across two 80-question exams, each divided into a 40-problem morning session and a 40-problem afternoon session. Every problem carries a worked solution, so a wrong answer points straight at the topic that needs more revision. Written for engineers sitting the NCEES PE Environmental examination and best used next to a review manual. PPI paperback, 92 pages, ISBN 9781591265740.
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Practical Statistics for Data Scientists: 50+ Essential Concepts Using R and Python, 2nd Edition
0Original price was: $79.99.$45.00Current price is: $45.00.Fifty-plus statistical concepts data scientists actually use, with code in R and Python.
Peter Bruce, Andrew Bruce and Peter Gedeck skip dense proofs for practical, code-driven explanations covering exploratory analysis, regression and machine learning techniques. It suits working data scientists and analysts who want application over theory. ISBN 9781492072942.
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Reinforcement Learning: An Introduction (2nd Edition)
0Original price was: $120.00.$51.90Current price is: $51.90.The book that defined how a generation learned reinforcement learning, expanded and updated in its second edition.
Sutton and Barto’s Reinforcement Learning: An Introduction gives a clear, unhurried account of how an agent learns to act by maximising reward while interacting with a complex, uncertain environment. Part I develops the tabular case, where exact solutions exist, and Part II moves to function approximation and the methods that scale to real problems. MIT Press hardcover, ISBN 9780262039246.
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Shigley’s Mechanical Engineering Design, 11th Edition
0Original price was: $125.00.$75.00Current price is: $75.00.The 11th edition of Shigley’s Mechanical Engineering Design, the standard first course text in mechanical design.
Richard G. Budynas and J. Keith Nisbett cover stress analysis, fatigue and structural design, then apply the theory to gears, springs and bearings, with an expanded set of updated problems and worked examples. It suits students starting their first mechanical design course. ISBN 9780073398211.
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Social Statistics for a Diverse Society
0Original price was: $90.00.$52.00Current price is: $52.00.An introductory statistics text that anchors mathematical concepts in real social issues rather than abstract equations.
Written by Chava Frankfort-Nachmias, Anna Leon-Guerrero and Georgiann Davis, the Ninth Edition of Social Statistics for a Diverse Society shows how data analysis examines race, class, gender and structural inequality. By favoring common sense and intuition over dry formulas, it builds problem-solving, data literacy and critical thinking skills. SAGE Publications, ISBN 9781544339733.
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Statistics for People Who Hate Statistics – 7th Edition
0Original price was: $80.00.$54.00Current price is: $54.00.This introductory statistics textbook is written for students who are afraid of the subject.
Neil J. Salkind’s original text, now updated by Bruce B. Frey, covers t-tests, ANOVA, correlation, and regression with an emphasis on when and why to use each test rather than on formulas. The 7th edition has updated instructions for IBM SPSS Statistics and includes end of chapter exercises and a glossary. ISBN 9781544381855.
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Statistics for People Who (Think They) Hate Statistics, 8th Edition
0Original price was: $169.00.$80.00Current price is: $80.00.Statistics for People Who (Think They) Hate Statistics teaches introductory statistics to students nervous about the math.
Written by Neil J. Salkind and Bruce B. Frey, the eighth edition covers correlation, normal curves, hypothesis testing and ANOVA, with step-by-step SPSS walkthroughs and full-color visuals. It suits students in their first statistics or data analysis course. ISBN 9781071855508.
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Statistics for People Who (Think They) Hate Statistics: Using Microsoft Excel – Fifth Edition
0Original price was: $169.00.$65.00Current price is: $65.00.Statistics for People Who (Think They) Hate Statistics: Using Microsoft Excel teaches introductory statistics through worked Excel examples.
Originally written by Neil J. Salkind and updated by Bruce B. Frey, the fifth edition covers central tendency, hypothesis testing, t-tests, ANOVA, correlation and regression in a conversational, humorous tone. It suits students in introductory statistics or research methods courses. ISBN 9781071803882.
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