Book Title: Sexual Secrets: The Alchemy of Ecstasy (20th Anniversary Edition)
Author: Nik Douglas & Penny Slinger
Publisher: Destiny Books / Inner Traditions
Genre: Self‑Help, Spirituality, Sexuality (Tantra)
Published Date: December 1, 1999 (20th Anniversary Paperback)
ISBN: ISBN‑13: 9780892818051, ISBN‑10: 0892818050
