What makes a book GOOD or BAD?

I finally listened to the "Summer Reads for Kids" episode of On Point that aired earlier this month. Visit the website to listen to the interview: http://www.onpointradio.org/2010/07/summer-reads-for-kids. It's a great discussion which raised a lot of questions for me.

The Hunger Games by Suzanne Collins came up in discussion. Interviewee Pete Cowdin felt that, though he enjoyed it, he considered it a "guilty pleasure" but not necessarily a good book. Theoretically I can see his point (though ...