Relentless: From Good to Great to Unstoppable (2013) by Tim S. Grover, co-written with Shari Lesser Wenk, teaches how to cultivate the mindset of an elite achiever. Grover’s ideas about high performance are based on his decades as a trainer for elite athletes including NBA stars Kobe Bryant, Michael Jordan, and Dwyane Wade. Bryant, Jordan, and Wade followed Grover’s no-nonsense training program, which pushed each to excel...
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