"Relentless" by Tim Grover & Shari Wenk
$
16
First published in 2013, this book caused a splash.
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"I consider Tim Grover to be second to none in his knowledge of sports training, and he was an invaluable part of my training program. He is a take-charge person, with a deliberate but energetic and enthusiastic technique."
Michael Jordan
GOAT (Greatest Of All time