Here's a current favorite at the Library

"One frigid Midwestern winter night in 1988, a ginger kitten was shoved into the after-hours book-return slot at the public library in Spencer, Iowa. And in this tender story, Myron, the library director, tells of the impact the cat, named DeweyReadmore Books, had on the library and its patrons, and on Myron herself..."
Publisher's Weekly 7/28/2008

Dewey, a small-town library cat who touched the world, by Vicki Myron with Bret Witter