Last night, I finished Chaon's Await Your Reply. In this book, there are three different stories happening at one time--a young girl runs off with her high school teacher, a kid reunites with his deadbeat dad to start stealing identities online, and a twin searches for his missing schizophrenic brother who may or may not have murdered their parents. You think that all three stories are happening simultaneously and that they'll intersect at some point, where the twin will meet the young girl or whatever, but this never happens, because you realize at the end of the book that two of the characters (the high school teacher and the deadbeat dad) are the actually the same person, the lost twin the other brother has been seeking. Surprise! I didn't see that coming and wasn't even exactly sure what happened even as it was being described. My thoughts are that it was interesting throughout, and ultimately unresolved and unsettling, because the brothers never found one another and
Here is an interview with him from The Believer.