This whole site exists because we think couples do better — in bed and out of it — when they actually talk to each other and take the work of staying together seriously. These are the books that shaped that belief, or gave us language for something we already sensed but couldn't articulate. Some are clinical, some are personal, one is older than the concept of a bestseller list. We're not pretending it's a neutral, exhaustive syllabus — it's just what's actually on our shelf.
Sheet Music, by Dr. Kevin Leman
A direct, often funny, explicitly Christian guide to sex within marriage — Leman's whole argument is that couples who can talk openly and specifically about sex, without embarrassment, end up with better sex lives than couples who rely on vague hints and hope their partner figures it out. It's the book we'd hand to a newly married couple who feels awkward even having this conversation.
The 5 Love Languages, by Gary Chapman
Chapman's core idea — that people give and receive love differently (words, touch, time, gifts, acts of service), and mismatched "languages" cause a lot of avoidable hurt — has become common shorthand for a reason. It's not a book about sex specifically, but understanding your partner's love language changes how initiation, rejection, and everyday affection land, which affects the sexual relationship whether the book says so directly or not.
The Art of Seduction, by Robert Greene
The odd one out on this list — less a marriage book than a study of attraction, persuasion, and desire, drawn from history and psychology rather than clinical research. We include it for the same reason we cover kink and novelty elsewhere on this site: understanding what actually generates desire is useful for a marriage too, not just for meeting someone. Read it as a book about how attention and interest work, not a manual for manipulating anyone.
His Needs, Her Needs, by Willard F. Harley Jr.
Harley's framework is built around a simple, uncomfortable premise: affairs usually happen because specific needs — his, hers, or both — go unmet for long enough that someone else starts meeting them instead. The book is a practical inventory of those needs and how to keep tending to them on purpose, which lines up directly with what we've written in our own guide to infidelity recovery and mismatched libidos — most of this is preventable with attention, long before it becomes a crisis.
The Holy Bible
Not a typical entry on a sex-and-marriage reading list, and we know it. But it's honest: a lot of what we believe about marriage — that it's worth building a whole life around, worth the effort of staying in through hard seasons, worth protecting — traces back to it for us personally. We're not going to leave it off this list just to look more secular than we actually are, and we're not asking anyone reading this site to share our faith to get value out of the rest of it.
Sex in Canada, by Tina Fetner
The actual research book behind our own Canadian sex statistics hub — a genuinely rigorous, readable look at what Canadians actually do in bed, based on real survey data rather than the usual pop-science guesswork. If you've ever wondered where the numbers on this site come from, this is one real answer.
Why Women Have Sex, by Cindy M. Meston and David M. Buss
Two psychology researchers surveyed thousands of women on their actual, specific reasons for having sex — the list runs from the obvious (attraction, love) to the rarely discussed (revenge, duty, self-esteem) — and the result cuts through a lot of the flattened, one-note assumptions about female desire that show up everywhere else. Genuinely useful for husbands who think they already understand why their wife wants (or doesn't want) sex.
Married Sex, by Gary Thomas
Thomas writes from a Christian perspective specifically about keeping sex alive inside a long marriage — against the common assumption that passion is something only new relationships get to have. It pairs well with our own guide to sexless marriages and guide to scheduling sex, minus the shame that usually surrounds both topics.
The Seven Principles for Making Marriage Work, by John Gottman
Gottman's research — decades of actually observing married couples rather than surveying them after the fact — is some of the most credible relationship science that exists, and this book is the readable version of it. His finding that he can predict divorce with striking accuracy just from how couples argue is the kind of thing that changes how you handle your next disagreement. If we had to hand someone one book off this whole list, it might be this one.
Frequently asked questions
Are the links on this page affiliate links?
Some are. If you buy through them, we may earn a small commission at no extra cost to you — see our affiliate disclosure. Nothing on this list was chosen because of that; every book here is something Nick or Clove actually read and would recommend regardless.
Why is the Bible on a sex-positive website's reading list?
Because it's honest. A lot of Clove's pro-marriage stance traces directly back to it, and leaving it off this list to look more secular than we actually are would be exactly the kind of dishonesty this site tries not to do. We're not asking anyone to share our faith to get value from the rest of this site or this list.
Will this list get updated?
Yes, when something new genuinely earns a place on it. This isn't meant to be exhaustive — it's the small set of books that actually shaped how we think about sex and marriage, not a complete bibliography of the genre.