bf, the book is called Outside/Inside. Probably not what you're looking for. It's a slim paperback that dicusses the orthodox Jewish practice of "modesty," by which is meant (especially for women), long sleeves, high necked garments, and covering the hair. The point is that when your outsides are modestly covered your insides can shine through and you know that is what the person is seeing-- they're not distracted by your outsides.
If you want to read up on Jewish ideas of sex and marriage, I would suggest anything by Shmuley Boteach, starting with Kosher Sex : A Recipe for Passion and Intimacy . Very interesting stuff. He also has Kosher Adultery (no, of course, it's not really about adultery, but has suggestions for introducing the excitement of an adulterous relationship into your marriage), and Why Can't I Fall In Love, a book about finding the right mate for you. I really like the guy.
