The Guide to Getting It On continues to earn its place as America's most up-to-date and informative book about sex. Written with the goal of offering updated and up to the minute information for today's 18-34 year olds, this updated classic is a must have for any sexual information library! The 9th edition has taken the Guide To Getting It On back to its roots. It is 624 pages, which is half the page count of the previous edition. Fifty-one chapters of nearly everything a person needs to know about sex is enhanced with informative illustrations and conversational language — making sex education interesting and fun.