Do You Know That Book?

Here’s an excerpt from Powell’s Books about this year’s Puddly Awards (which will end today, so if you haven’t voted yet, you don’t have much – if any – time left).
Can you help me figure out the books they are talking about?

So, was the best book you read last year an Oprah-recommended memoir about a recovering drug addict, or an Oprah-recommended, sixty-year-old novel about a severely dysfunctional Southern family? Did you savor the newest adventures of a young wizard, or the latest chronicles of a young wizard and his talking dragon? Was your favorite 2005 book about an Afghan boy who loves kites, or was it a reprint of a classic comic strip about a bald boy who gets tangled in kite-eating trees?

So, I know the first one is the recently scandal-scented „A Million Little Pieces“ by James Frey. The third one is Harry Potter and the Half-Blood Prince (you don’t really need the author here, do you?) and the fourth one must be „Eragon“ by Christopher Paolini.
The fifth sounds a lot like „The Kite Runner“ by someone whose name I don’t remember, but it’s a guess, so correct me if I’m wrong.

But I’m most interested in books two and six. They both sound strangely engaging… I mean kite-eating trees, who wouldn’t want to know more about that?

Can you help me?