DR and DB are the two books this site is based on. There is a ton of overlap, however they are both reading. Most people generally recommend DR first these days as it may be better suited for the state of most of these M's and is more up to date.
Me:38 XW:38 T:11 years M:8 years Kids: S14, D11, D7 BD/Move out day: 6/17/14, D final Dec 15