E for Ecstasy is a book written by Nicholas Saunders and published in May 1993. Available freely online, it describes in detail the psychoactive substance MDMA (ecstasy), the people that use it and the law concerning it, all enhanced through the backdrop of the author's personal experience. Subsequent revised versions were renamed Ecstasy and the Dance Culture (1995) and Ecstasy Reconsidered (1997).