Jeff O'Connell — об авторе

15 Minutes to Fit: The Simple 30-Day Guide to Total Fitness, 15 Minutes At A Time Jeff O'Connell

Sugar Nation: The Hidden Truth Behind America's Deadliest Habit and the Simple Way to Beat It Jeff O'Connell

Powerfood Nutrition Plan: The Guy's Guide to Getting Stronger, Leaner, Smarter, Healthier, Better Looking, Better Sex, With Food! Susan Kleiner