Just as there is no one size fits all regarding PC treatment, there is no "best book" to read, as this depends on the PC stage one has, tretment preference and options. I'd suggest the following books depending on the situation:
Best book for a COMPREHENSIVE OVERALL VIEWPOINT: "Prostate Cancer Prevention and Cure" It clearly sets out diagnosis, lifestyle changes, stages and treatment options for various stages of PC. A very good book for a newly diagnosed patient.
Best book FOR SOMEONE CONSIDERING SURGERY: "Dr Peter Scardino's prostate Book". Extensive information is given on tests, surgery, side effects and post surgery. It also gives information on other treatments.
Best book for SOMEONE WITH POTENTIALLY AGRESSIVE PC: "Beating Prostate Cancer: Hormonal Therapy & Diet". Dr Myers provides valuable information, especially regarding hormone therapy which is often not readily available. "In my practice I was surprised to find that most men who are diagnosed as 'hormone resistant' actually aren't".