''The Mystery of the Whispering Mummy'' is the third book in

The Three Investigators The Three Investigators is an American juvenile detective book series first published as "''Alfred Hitchcock and the Three Investigators''". It was created by Robert Arthur Jr., who believed involving a famous person such as movie director Alfr ...

series by Robert Arthur Jr. It was originally published in the United States by

Random House Random House is an American book publisher and the largest general-interest paperback publisher in the world. The company has several independently managed subsidiaries around the world. It is part of Penguin Random House, which is owned by Germ ...

in 1965.

Library of Congress The Library of Congress (LOC) is the research library that officially serves the United States Congress and is the ''de facto'' national library of the United States. It is the oldest federal cultural institution in the country. The library ...

catalog number 99192344 .

Plot summary

The boys receive a letter from Alfred Hitchcock requesting they visit a friend of his, Professor Yarborough, who has a

mummy A mummy is a dead human or an animal whose soft tissues and organs have been preserved by either intentional or accidental exposure to chemicals, extreme cold, very low humidity, or lack of air, so that the recovered body does not decay fu ...

along with other artifacts in his house. The mummy has been whispering in a strange language, but only when Yarborough is alone in the room. They also receive a letter from a Mrs Banfry in

Santa Monica Santa Monica (; Spanish: ''Santa Mónica'') is a city in Los Angeles County, situated along Santa Monica Bay on California's South Coast. Santa Monica's 2020 U.S. Census population was 93,076. Santa Monica is a popular resort town, owing to i ...

, whose distinctive cat has gone missing. They meet with the Professor and his butler, Wilkins, who is convinced the whispering is an ancient curse. They also approach Yarborough's neighbor, Professor Freeman, for help on the language. Jupiter gets the mummy to whisper to him while disguised as the professor. Pete tackles a boy hiding in the grounds of the house, and later befriends him. The boy is named Hamid and believes the mummy is one of his ancestors. Pete and Hamid hide in the mummy's case when thieves steal it and take it to a warehouse. They escape, but can't find their way back until they get a lead from placing a series of telephone calls to friends, who then call their friends and so on. Jupiter calls this a Ghost to Ghost Hookup. The boys learn that the mummy and missing cat cases are connected, and when Jupiter happens upon the warehouse and the thieves, he must hide in the mummy case to avoid being caught. The case is taken to a familiar location and Bob and Pete quickly arrive on the scene and the villain is caught.

References

Novels by Robert Arthur Jr. Three Investigators 1965 American novels Fiction about mummies Random House books 1965 children's books {{1960s-ya-novel-stub