When it was originally published in 1982, was the first book to prove the existence and define the location of the Gräfenberg spot, a patch of erectile tissue that can be felt through the front wall of the vagina, directly behind the pubic bone. In print continuously for twenty-two years, it has sold more than 1,000,000 copies to date international. This first-ever trade paperback edition includes a new introduction by Dr. Hilda Hutcherson, author of , which brings the research in the book up-to-date and explains its continued relevance. Now a new generation of men and women can take advantage of the insights and practical suggestions of this classic work.