This book is a labor of love. As the authors state, it is “a tale of two fathers.” The father of Sylvia Karasu suffered from morbid obesity all of his life, together with other risk factors for coronary heart disease, and lived to the age of 91. The father of Byram Karasu, also morbidly obese, died at the age of 56. This tale of two fathers is in the background of the volume as the authors seek to assess the many factors that contribute to obesity and its control. The Gravity of Weight is a model of scholarly inquiry that describes and analyzes, in a critical manner,.