Discovering Human Sexuality, Sixth Edition, Is The Continuation Of A Textbook That Originated In 2003 With The Publication Of Human Sexuality By Simon Levay And Sharon Valente. Since Then, The Book Has Gone Through Several Changes Of Authorship, Format, And Title. One Consistency, However, Has Been The Identity Of The Lead Author. Another Has Been The Book's High Academic And Pedagogical Standards, Which Have Earned It A Prominent Place In The Market And Broad Praise From Reviewers And Users-- Provided By Publisher.