Live Right 4 Your Type  By Dr. Peter J. D'Adamo

Book is new, however, the dust cover does show some marks on it from storage. 

In this guide to disease prevention, bestselling author Peter J. D'Adamo asserts that one's blood type determines one's unique needs for optimal health. After introducing his theory, he describes specific diet and exercise plans for each blood type. He also offers information on nutrient supplements that may boost metabolism, increase cardiac efficiency, and ensure longevity.