A knife is only as valuable as it's Sharpness. Having a physically fit body is as important as a mentally sound mind. There are various books and courses which can provide you with a great workout routine, among them these books stand atop and provide some of the most important insights on fitness:
"Starting Strength" by Mark Rippetoe - This book is focused on barbell training for strength and power, and provides practical advice on proper form and programming.
"The New Rules of Lifting" by Lou Schuler and Alwyn Cosgrove - This book offers a comprehensive guide to strength training for men and women, and provides practical advice on building muscle and burning fat.
"Becoming a Supple Leopard" by Kelly Starrett - This book offers a comprehensive guide to mobility and movement, and provides practical advice on how to prevent injury and improve athletic performance.
"The Body Book" by Cameron Diaz - This book offers a holistic approach to health and fitness, focusing on the importance of nutrition, exercise, and mental wellness.
"The 4-Hour Body" by Tim Ferriss - This book offers a comprehensive guide to health and fitness, including advice on building muscle, burning fat, and improving athletic performance.
"Anatomy for Runners" by Jay Dicharry - This book offers a detailed look at the biomechanics of running, and provides practical advice on how to prevent injury and improve performance.
"Yoga Anatomy" by Leslie Kaminoff - This book offers a detailed look at the anatomy of yoga poses, and provides practical advice on how to improve alignment and prevent injury.
"The Runner's World Big Book of Running for Beginners" by Jennifer Van Allen, Bart Yasso, and Amby Burfoot - This book offers a comprehensive guide to running for beginners, and provides practical advice on training, nutrition, and injury prevention.
"The Women's Health Big Book of Exercises" by Adam Campbell - This book offers a comprehensive guide to strength training for women, and provides practical advice on building muscle, burning fat, and improving overall health.
"Strength Training Anatomy" by Frederic Delavier - This book offers a detailed look at the anatomy of strength training exercises, and provides practical advice on proper form and programming.