Summary:
The book provides insights into the mindset and principles that enable elite athletes and high performers to achieve excellence and maintain dominance in their fields. It offers strategies for mental toughness, motivation, and relentless pursuit of success, drawing from the author's experience as a personal trainer to legendary athletes like Michael Jordan and Kobe Bryant.
Key points:
1. Cleaner's Mentality: Grover defines a "Cleaner" as a top performer who is relentless, mentally tough, and thrives under pressure. They create their perfect moments.
Books similar to "Relentless":

Winning
Tim S. Grover

Chasing Excellence
Ben Bergeron

Can't Hurt Me
David Goggins

It's All Possible
Rob Hartnett

Grit
Angela Duckworth

The Science of Intelligent Achievement
Isaiah Hankel

Shark Tales
Barbara Corcoran|Bruce Littlefield

Grit to Great
Linda Kaplan Thaler|Robin Koval

13 Things Mentally Strong People Don't Do
Amy Morin

She Means Business
Carrie Green