While this is specifically about teaching your kids about sex, it's also a great ground-up study of sex to help shift how you view sex. If you grew up in a religious household and have some shame surrounding sex, this may be a great place to start rebuilding.

If I could put one book into every person on the planet's stocking, it would be this one. Nagoski does the most spectacular job of using research to discuss female sexuality without being crude or boring. This one is a must have for every women, no matter your sexual experience. Also, don't forget the accompanying workbook!

For many religious couples who reserve sex until marriage, knowing exactly what they can't do before marriage often leads to difficulty understanding how to integrate sex into their relationships. This book provides a holistic model of sex for all experience levels.

With his famed "Love Lab" in Seattle, WA, John Gottman is one of the most recognizable names in relationship research. He is also the founder of The Gottman Institute, which provides relationship education seminars to couples. This book simplifies those principles into actionable practices.

Marriage has a funny way of showing you how much you don't know a person. Many of these questions seem obvious and trivial, but knowing the answers before you commit to a person keep many surprises at bay once you do finally tie the knot.

An educational workbook that you can walk through with the person you're dating. It's founded on years of relationship research, and helps the reader look at their relationship from an objective standpoint.

Van Epp does a great job of outlining Attachment Theory in a digestible, user-friendly way. He has some really great advice that helps you to slow relationships to a reasonable pace and avoid missing red flags.

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