Marketplace
30 Day Low Carb Diet "Ketosis Plan": https://play.google.com/store/books/details?id=cApvAwAAQBAJ
Get-Fit Guy's Secrets to a Better Workout:
https://play.google.com/store/books/details?id=UiZFjYAT8bIC
Fit Is the New Skinny: https://play.google.com/store/books/details?id=b8VDBqevTBkC
The Fitness Manual: https://play.google.com/store/books/details?id=7SleBAAAQBAJ