Packed with untold stories and unparalleled insight into the mindsets of the most successful and accomplished athletes of our time, RELENTLESS shows you how the best get better…and how you can too.

“I consider Tim Grover to be SECOND TO NONE in his knowledge of sports training, and an invaluable part of my training program.” –Michael Jordan

“Tim Grover is the master of mental toughness. This book is the blueprint for discovering what you are capable of achieving, getting results you never imagined, reaching the highest level of success—and then going even higher.” –Kobe Bryant

“This book will do for you what Tim has done for me–take you to the next level, and show you how to be the best at whatever you do. I have unbelievable trust and faith in him.” –Dwyane Wade

“If you compete at anything—sports or business or life—you need this book.” -Charles Barkley

“Tim Grover’s insight into leadership and excellence has taken the greats to the top, and his book will do the same for you. RELENTLESS is about breaking the rules that hold you back and trusting your instincts to take you where you want to be.” –Mike “Coach K” Krzyzewski