Mr. White is a lucky rabbit. The librarian, Mrs. Clark, adopted him from an animal shelter and brought him to Tanglewood School to be the library pet. After Malcolm Sharpe brings snacks to Mr. White they become special friends. But, after being the library pet for only a few weeks, Mr. White is missing. He has disappeared, poof! No one knows what happened to him. Did he run away? Is he lost? Did a sneaky rabbit thief snatch him? Malcolm Sharpe is determined to find out what happened to Mr. White. Malcolm searches high and low to find him, but what Malcolm discovers is not what anyone expected.