Sex manuals are books which explain how to perform sexual intercourse and other sexual practices. They often also feature advice on birth control, as well as advice on sexual ...
http://en.wikipedia.org/wiki/Sex_manual
Video on the prehistoric sex machine manual. The primal man had the same needs as the modern man. However, without the right technology, he had to be extremely creative.
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Thesaurus Legend: Synonyms Related Words Antonyms. Noun: 1. sex manual - a manual containing instruction in sexual techniques; intended to enhance the reader's sexual life
http://www.thefreedictionary.com/sex+manual