We All Need Mentors. Here Are More than 100 of the World's Best. When facing life's questions, who do you turn to for advice? We all need mentors, particularly when the odds seem stacked against us. For this book, best-selling author Tim Ferriss tracked down more than 100 eclectic mentors to help him, and you, navigate life. Through short, action-packed profiles, he shares their secrets for success, happiness, meaning, and more. No matter the challenge or opportunity, something in these pages can help. You will learn: The three books legendary investor Ray Dalio recommends most often Lessons and tips from elite athletes like Maria Sharapova, Kelly Slater, Dara Torres, Tony Hawk, Dan Gable, and more How and why Facebook co-founder Dustin Moskovitz says no to most incoming requests The mental models of poker phenoms Daniel Negreanu, Annie Duke, Fedor Holz, and Liv Boeree The meditation and mindfulness practices of David Lynch, Jimmy Fallon, Sharon Salzberg, Rick Rubin, Richa Chadha, Sarah Elizabeth Lewis, and others The high-school loss that motivated actor Terry Crews for life . . . and how you can use the lesson Why TED curator Chris Anderson thinks pursue your passion is terrible advice Why renowned designer Debbie Millman believes in therapy but not in work-life balance The new beliefs, behaviours, and habits that have most helped cryptocurrency icons (founders of Ethereum, Zcash, etc.) in the last five years Why Arianna Huffington recommends that you regularly scramble apps on your phone Why actor Ben Stiller likes to dunk his head in a bucket of ice in the morning Why Dropbox co-founder Drew Houston's cheat sheet for his younger self would include a tennis ball, a circle, and the number 30,000. AUTHOR: Tim Ferriss has been called a cross between Jack Welch and a Buddhist monk by The New York Times. He is one of Fast Company's Most Innovative Business People and an early-stage tech investor/advisor in Uber, Facebook, Twitter, Shopify, Duolingo, Alibaba, and 50+ other companies. He is also the author of four #1 New York Times and Wall Street Journal bestsellers: The 4-Hour Workweek, The 4-Hour Body, The 4-Hour Chef, and Tools of Titans. The Observer and other media have named him the Oprah of audio due to the influence of his podcast, The Tim Ferriss Show, which has exceeded 200 million downloads and been selected for Best of iTunes three years running.