ISBN-13: 9780593074190 / Angielski / Miękka / 2014 / 208 str.
Bear Grylls is fitter, stronger and readier than ever to take on the challenges of the wild, thanks to a revolutionary new fitness program. And at the heart of Bear's personal training regime are fast-paced, dynamic workouts that can be done anywhere by anyone - men and women, young and old - in just 30 minutes or less