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By Paul Joannides, Psy. If you only get one book from this list, this comprehensive book on sex goes over pretty much every topic under the sun. I was fortunate to win a copy of one of these books when I was in college and it was great to basically have as an encyclopedia to sex on my bookshelf whenever I had a question or was curious to learn something new. Not only is this book packed with information about a range of topics from anatomy, sexuality, sex advice, and more — it also has fun-yet-educational illustrations throughout that keep this dense book feeling informative and accessible.

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