This document summarizes a book review of the mystery novel "The Mystery of the Invisible Thief" by Enid Blyton. It was published in India in 1968 by Egmont. The book costs 85 and has 228 pages. The summary describes how on a hot summer day, five children named Pip, Gosh, Buster, Daisy and Larry go outside with their dog. Buster is too hot and tries to remove his coat. Daisy says it's too hot to laugh. The children don't want to waste their holiday and try to find something useful to do.