The bestselling fitness and self-improvement book for breaking through mental resistance and barriers, building unshakeable discipline, and keeping your goals alive when things get tough.

For more than two decades, legendary trainer Tim Grover has taken the greats - Michael Jordan, Kobe Bryant, Dwyane Wade, and hundreds of relentless competitors in sports, business, and every walk of life - and made them greater. Now, he reveals what it takes to achieve total mental and physical dominance, showing you how to be relentless and achieve whatever you desire.

Join author Tim Ferriss as he shares the incredible experiments he's done over 10 years to beat genetics and achieve the impossible…for himself and more than 200 men and women aged 18 to 70. You don't need better genetics or more discipline. You need immediate results that compel you to continue. This is an abridged edition.

In many ways, we’re more comfortable than ever before. But could our sheltered, temperature-controlled, overfed, underchallenged lives actually be the leading cause of many our most urgent physical and mental health issues? In this gripping investigation, award-winning journalist Michael Easter seeks out off-the-grid visionaries, disruptive genius researchers, and mind-body conditioning trailblazers who are unlocking the life-enhancing secrets of a counterintuitive solution: discomfort.

Glucose, or blood sugar, is a tiny molecule in our body that has a huge impact on our health. It enters our bloodstream through the starchy or sweet foods we eat. Ninety percent of us suffer from too much glucose in our system—and most of us don’t know it. The symptoms? Cravings, fatigue, infertility, hormonal issues, acne, wrinkles. Drawing on cutting-edge science and her own pioneering research, biochemist Jessie Inchauspé offers ten simple, surprising hacks to help you balance your glucose levels and reverse your symptoms—without going on a diet or giving up the foods you love.