Amazon Products 21-Day Ketogenic Diet Weight Loss Challenge: Recipes and Workouts for a Slimmer, Healthier You November 14, 2022 Stan Price: $7.99(as of Nov 14, 2022 08:26:07 UTC – Details) From the Publisher Publisher  :  Rockridge Press (August 28, 2018) Language  :  English Paperback  :  294 pages ISBN-10  :  1623159326 ISBN-13  :  978-1623159320 Item Weight  :  1.6 pounds Dimensions  :  7.25 x 1 x 9 inches