Here is a list of books that I found particularly helpful during my Breakdown period:

Breakdown Books
Breakdown Books

A New Kind of Christian: A Tale of Two Friends on a Spiritual Journey by Brian McLaren
The Story We Find Ourselves In by Brian McLaren
The Last Word…and the Word After That by Brian McLaren
Everything Must Change by Brian McLaren
If God Is Love by Phillip Gulley & James Mulholland
If Grace is True by Phillip Gulley & James Mulholland
Ragamuffin Gospel by Brennan Manning
Blankets by Craig Thompson
Traveling Mercies by Anne Lamott
Son Of A Preacher Man by Jay Bakker

LGBT specific:
Trans-gendered: Theology, Ministry, Communities of Faith by Justin Tanis
Oranges Are Not the Only Fruit by Jeanette Winterson
Taking A Chance On God by John J. McNeill
Is the Homosexual My Neighbor by Virginia Ramey Mollenkott and Letha Dawson Scanzoni
From Sin To Amazing Grace by Patrick Cheng
Radical Love by Patrick Cheng