, Copyright © 2017 by Timothy Ferriss
Illustrations © 2017 by Remie Geoffroi
All rights reserved
For information about permission to reproduce selections from this book, write to or to Permissions, Houghto
Mifflin Harcourt Publishing Company, 3 Park Avenue, 19th Floor, New York, New York 10016.
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ISBN 978-1-328-68378-6
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Permissions credits appear on page vi.
TOOLS OF TITANS, TIM FERRISS, TIMOTHY FERRISS, THE 4-HOUR, THE 4-HOUR WORKWEEK, THE 4-HOUR BODY, TH
4-HOUR CHEF, SLOW-CARB DIET, OTK, and 5-BULLET FRIDAY are trademarks or registered trademarks, all under license. All righ
reserved.
Cover design by Brian Moore
© Houghton Mifflin Harcourt Publishing Company
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, PUBLISHER’S LEGAL DISCLAIMER
This book presents a wide range of opinions about a variety of topics related to health and well-being,
including certain ideas, treatments, and procedures that may be hazardous or illegal if undertaken withou
proper medical supervision. These opinions reflect the research and ideas of the author or those whose
ideas the author presents, but are not intended to substitute for the services of a trained healthcare
practitioner. Consult with your health care practitioner before engaging in any diet, drug, or exercise
regimen. The author and the publisher disclaim responsibility for any adverse effects resulting directly o
indirectly from information contained in this book.
TIM’S DISCLAIMER
Please don’t do anything stupid and kill yourself. It would make us both quite unhappy. Consult a doctor,
lawyer, and common-sense specialist before doing anything in this book.