My favorite relationship books I read other than MWD's were "The Five Love Languages", "Passionate Marriage", "The Passion Trap" and "The Solo Partner". I can recommend all of those, pretty much in that order. I read a bunch more, those were just my favorites.

Accuray

Married 18, Together 20, Now Divorced
M: 48, W: 50, D: 18, S: 16, D: 12
Bomb Dropped (EA, D): 7/13/11
Start Reconcile: 8/15/11
Bomb Dropped (EA, D): 5/1/2014 (Divorced)
In a New Relationship: 3/2015