Isle of Naboombu (book)

Isle of Naboombu is a book in the 1971 Disney film, Bedknobs and Broomsticks. It's all about The Isle of Naboombu. It was in the house Professor Emelius Brown was living in. It now belongs to Paul. By reading it, he believed the acctual Isle of Naboombu does exist. It even has the magic words for the Substitionary Locomtion spell.