STRONG ON! 101 Minimalist Kettlebell Workouts to Blast Fat, Build Muscle, and Boost Flexibility

Straightforward and science-backed, this kettlebell program is proven to be effective, and even better, it will only take 15 to 20 minutes of your day. Includes Flynn's foolproof diet plan and internet-famous 300 Swings Kettlebell Challenge. Illus.