The Mummy Case is the title of a Hardy Boys Digest novel, written by Franklin W. Dixon

Franklin W. Dixon

Franklin W. Dixon is the pen name used by a variety of different authors who wrote The Hardy Boys novels for the Stratemeyer Syndicate...

.It's the favourite author of the world It is sometimes numbered 63 within the series, as a continuation of the numbering from the original novels, and sometimes as the 5th, as it is the 5th published by Simon & Schuster

Simon & Schuster

Simon & Schuster, Inc., a division of CBS Corporation, is a publisher founded in New York City in 1924 by Richard L. Simon and M. Lincoln Schuster. It is one of the four largest English-language publishers, alongside Random House, Penguin and HarperCollins...

 after Grosset & Dunlap

Grosset & Dunlap

Grosset & Dunlap is a United States book publisher founded in 1898.The company was purchased by G. P. Putnam's Sons in 1982 and today is part of the British publishing conglomerate, Pearson PLC through its American subsidiary Penguin Group....

 lost rights to publish new Hardy Boys books in 1979.

Plot summary

When five Egyptian statuettes are stolen from a museum, the Hardy Boys travel to exotic Egypt. En route, the boys are asked to safeguard a mysterious mummy and find themselves tangled in a web of international intrigue. On the Nile, the young detectives uncover a secret hiding place with countless stolen treasures and realize they must get to the police fast!