How do these differ in meaning? <br/>Marriage law<br/>Law of marriage<br/><br/>Book of love -- How does it seem to mean to you? <img class='emoticon' style='Width:19px;Height:19px;' data-delaysrc='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/37.gif' src='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/37.gif' alt='Emotion: thinking'/>