Here's a reading list link that we created that has some books on depression that many of us found useful back in the day:

Recommended Reading Material

http://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2483893#Post2483893

Sit quietly, the answers will reveal themselves when you least expect them to.
The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.