The book I loan out the most

I have loaned out this book about six times per year for the last nine years.  It's a thorough, biblical, God-honoring discussion of sex.  I think it answers questions and concerns that all married women have but don't necessarily know how to discuss with others.  I've used it as a Bible study, too, which was really productive.  I wouldn't recommend it to single women, but I think it would be beneficial to every married woman on Earth.  It's nice to have around to loan out too--the average read time is about three days--it's a page turner.