4/28/2013: A short, breezy, fun read. Not too much character development, not too much plot. A gimmick, if you will, that is just the right length and with the right touches of humor and drama. I won't give away the 'trick' [ it's complicated ;) ] but it comes early, I thought too early, but Mr. Scalzi kept up the pace and I enjoyed the codas at the end. A very nice wrap-up.