Get ready for a spooky adventure with "The Mystery of the Whispering Mummy" by Robert Arthur. This hardcover book is part of the "The Three Investigators" series and was published by Random House in 1965. The book is written in English and is perfect for children and young adults who love detective stories. The book follows the famous trio of detectives as they investigate a mysterious mummy that seems to have a life of its own. With twists and turns at every corner, this book will keep you on the edge of your seat. Don't miss out on the chance to add this classic to your book collection.