This is an excellent book. My wife an I first read it together, at a friends advice, when we had been married 5+ years. We are still together 30+ years later. I give this as wedding present whenever possible. Be careful not to give it in a public situation.
This book is very graphical, it has a lot of information in it that is very helpful. Everyone should have a book like this especially before they get married, and even if you are married, it will help you in satisfying your husband and wife through making love.
This book literally changed my marriage. Where I thought I had no hope, through this book, the Lord showed me that I am normal and that there is hope for my marriage of 10 years! Praise the Lord for this gem of a book!