In addition to our exceptional progesterone, and other products designed to support women's and men's health, Kevala offers the the full selection of Dr. John Lee's books as well as other fine publications. (All at a discount from publisher’s suggested retail prices.) "A Woman's Guide to the Use of Natural Progesterone" an e-Book Highly Recommended! The Estrogen Alternative: Natural Hormone Therapy With Botanical Progesterone by Raquel Martin (U.S.) $14.95 Breast Cancer: What You Should Know (But May Not Be Told) About Prevention, Diagnosis, And Treatment (U.S.) $8.50 Once a Month: Understanding and Treating PMS: Katharina Dalton M.D. (U.S.) $14.35 What Your Doctor May Not Tell You About Premenopause: John Lee M.D. (U.S.) $10.95 What Every Woman Should Know About Male Menopause (U.S.) $14.95 The Natural Prostate Cure: Roger Mason (U.S.) $6.95 Preventing and Reversing Osteoperosis: Alan R. Gaby M.D. (U.S.) $13.75 Natural Progesterone: The Multiple Roles Of A Remarkable Hormone By John R. Lee, M.D. (U.S.) $12.00 Natural Progesterone Tape (U.S.) $5.00 Breast Cancer Seminar with John R. Lee, M.D. 2 Tape Set (U.S.) $15.00 Club Kevala Membership The Sexy Years - Discover The Hormone Connection: The Secret To Fabulous Sex, Great Health, And Vitality. (U.S.) $25.00 What Your Doctor May Not Tell You About Breast Cancer, John R. Lee, M.D. (U.S.) $21.95