A post at the Casual Optimist exposed me to the lovely world of designer Ray Fenwick. Among his many excellent creations are this series of one-off artist's books "created in response to a loose idea or title supplied by a patron". I want them all! Here are a few of the best: see his site for more...
'Explaining Clowns to a Post-Clown World' (could this be the best book summary ever?)
'Product Names of Commercial Fireworks'
'Unusual Dutch Names'