Marriage Clues for the Clueless (Clues for the Clueless) review:5 stars (Great book - The only marriage book you need!) - Marriage Clues for the Clueless offers marriage tips for the newlyweds and for experienced couples. It offers advice on everything from money to children to sex to in-laws, often in a humerous but enlightening way. Marriage Clues for the Clueless explains how to make your marriage strong without children, with children, and even how to deal with the empty nest syndrome.