Sex by Numbers is packed with fascinating facts and lists which answer every question you have about sex. From the most potent sexual positions and best ever oral techniques to the top ten classic parody porn titles, this light-hearted but essential guide includes everything you have ever wondered about: The body - a guide to erogenous zones, massage, masturbation and sexual positions; Sexual accessories - including sex toys, orgasm-boosting condoms and household objects to help you climax; Games for grown-ups - including outdoor fun, fantasies and bondage; Food of lust - foolproof recipes to boost your libido and the aphrodisiacs you should avoid; Sex on screen - from introducing your partner to porn to finding the sexiest bonkbusters ever. Sex by Numbers will expand your knowledge beyond the realms of decency, and even necessity, guaranteeing that you'll always be both satisfied and satisfying between the sheets - not to mention full of hot trivia at dinner parties.