It's my favorite book. I picked up a copy at the first and only BEA I ever attended. I didn't know either of the author's names. Because it's my favorite novel, I made it a point to read it aloud to both of the Offspring during their first weeks of life. They've always liked me reading to them.
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I've never dropped a copy in the bath, but I imagine mine does look well-loved. There aren't any surprises in a sixth read, but the delight remains. Now that I've read most of Gaiman's published work and most of Pratchett's, it is fun to see things that show up in other places and other forms. What I noticed most this time is that their notion of eleven-year-olds is rather more childlike than mine, not to mention much smaller. (I'm short, which means eleven-year-olds are as tall as me, if not actually towering over me.)