This Is How I Find Her by Sara Polsky
I've heard great things about this one and loved the first few paragraphs; I just started reading it.
Feeling Good by David D. Burns
Still trudging through this one...
Black Ants and Buddhists by Mary Cowhey
The Whipping Boy by Sid Fleischman
My new read aloud with my third graders! This one is hard - the chapters are short but the vocabulary and concepts take a lot of time to talk about.