Richard Francis Burton 
The Kama Sutra of Vatsyayana Illustrated [EPUB ebook] 

The "Kama Sutra" is an ancient Indian text widely considered to be the standard work on human sexual behavior. A large portion of the work consists of practical advice on sexual intercourse.
"Kama" is one of the three goals of life, means sensual or sexual pleasure. The second part of the book deals about amorous advances and sexual union, stimulation of desire, types of embraces, caressing and kisses, marking with nails, biting and marking with teeth, on copulation (positions), slapping by hand and corresponding moaning, virile behavior in women, superior coition and oral sex, preludes and conclusions to the game of love. It describes 64 types of sexual acts.
"Kama Sutra" is not just an exclusive sex manual. It presents itself as a guide to a virtuous and gracious living that discusses the nature of love and other aspects pertaining to pleasure.