[3] In 1984, Joy of Sex based on this book was released, directed by Martha Coolidge and written by Kathleen Rowell & J.J.

[4] It is one (possibly the first) of only 27 video games to have received the Adults Only rating from the ESRB due to its strong sexual content.

The new edition was rewritten and reinvented by relationship psychologist Susan Quilliam and approved by Nicholas Comfort, the original author's son.

[7] More material has been added to the book, and the remaining text has been rewritten from both a factual and psychological viewpoint to take into account social shifts since 1972.

The new edition presents a more balanced female/male perspective and also contains 120 completely re-shot photographs and re-drawn illustrations.