Amazon has the The 4-Hour Body: An Uncommon Guide to Rapid Fat-Loss by Tim Ferris (Kindle) on sale for $1.99 downloaded. The hardcover is also on sale for $7.81. Some health-related Kindle freebies today include:

• Understanding Leaky Gut & Digestive Health
• The Ketogenic Cookbook
• An Introduction to Herbalism
• The Essential Mediterranean Diet Cookbook
• Anabolic Kitchen: 140 Recipes for Staying Lean
• The Last Resort Sugar Detox Guide