The New Silver Solution Book written by Dr. Kenneth Friedman, is a comprehensive book about silver products. It contains information on three different types of silver products on the market, including colloidal, ionic and catalytic. It also includes a great deal of information and an explanation on bacterial resistance, safety issues, government information, previously released silver data, newly released silver data, toxicity, friendly bacteria, and the advantages using silver products. It also features a very helpful general usage section. Dr. Friedman updates the book on a continuing basis as new information becomes available through national and international sources.