Title: 21 Pounds in 21 Days: The Martha's Vineyard Diet Detox, Author: Roni DeLuz
Title: How I Lost Over 21 Pounds IN 30 Days: My Step By Step Journey to My Weight Loss for 30 Days, Author: Derek Panell
Title: Ketosis: Keto: Ketogenic Diet: 21 Day NO BS Step by Step Challenge to Lose 10 Pounds: Achieve Optimal Ketosis, Author: Shae Sparks