Oh, yeah. Forgot about those. My wife (who works at the Seattle Public Library) says that, in general, fifteen seconds after the author who contributes the books walks out of the library, there is a loud THUNK in a nearby waste basket.   (Shhhh!).

By the way, the books are pretty good for lobbing out the bedroom window at alley cats yowling on the back fence in the middle of the night. Much preferable to the traditional shoe, because you don't have to go outside the following morning, muttering and cursing, to retrieve the shoe.

Don Firth