Because he was afraid to check it out, he left with a stolen book, Frank Yerby's The Treasure of Pleasant Valley. When he finished it a few weeks later, he took it back only to find another Yerby book in its empty place, which he also took. Each time he returned a Yerby, he found a new one had sprouted.
It was only 13 years later at a school reunion, on a path leading to a career as an appellate court judge, that Neal discovered that the librarians had been conspiring on his behalf all along... "
Here's the whole story. It made me tear up.