The 1970s classic "The Joy of Sex" has gotten a makeover with 42 new chapters, including one on safe sex and another on transexualism, says its publisher.

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The revised and updated "The Joy of Sex: The Timeless Guide to Lovemaking" replaces the pictures of hairy men in former editions with cleaner cut men, The Washington Post reported Saturday.

The new edition, by Crown Publishing Group, also ditches cracks about "one-legged ladies,""negresses" and sex on horseback found in the original 1972 edition while adding a chapter on phone sex and a four-page resource guide on everything from menopause to eating disorders, the Post reported.

The book originally written by Alex Comfort, a doctor and author who died in 2000, has been overhauled by Susan Quilliam, a British psychologist who advises a "practice session" before attempting new sexual positions so no one gets hurt.