Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A great addition to your library

The China Study gave me answers to many health and diet mysteries. Especially illuminating was the "three stages of cancer" section. Here I found the tremendous impact my choice of diet can have on the second stage of cancer, the promotion stage. Breast, prostate and colo-rectal cancers are discussed at a level that maintains the standard of professional research done while communicating it in a way that I, a non-medical layman can understand. That combination of educating the reader and giving the highest degree of research information is a thread that runs through the entire book. The foundation for a primarily plant-based diet, even a vegan diet, is laid out brick of understanding by brick of understanding. Heart disease, diabetes, osteoporosis and diseases of the immune system are presented adequately with primary source references throughout.