The Biggest Loser Cookbook Provides More Than 125 Healthy, Delicious Recipes From The Biggest Loser Experts and Cast—As Seen On NBC's Hit Show! Written by Chef Devin Alexander and The Biggest Loser Experts and Cast with Karen Kaplan. Foreword by Bob Harper and Kim Lyons. Building on the groundbreaking success of The Biggest Loser brand, this sequel to the recent best-selling book is sure to be a hit!