Just re-read this book again. It's one that I like to come back to every once in a while. The characterization is excellent. It is a book for humor, and [author:Terry Pratchett] and [author:Neil Gaiman] are both witty, sophisticated, knowledgeable men; most of the humor in this book requires wit, sophistication, and knowledge to fully appreciate.

For all that, this is a quick, entertaining read. This is one it's difficult to put down.