The Mystery of the Whispering Mummy

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When Ra-Orkon, a 3,000-year-old mummy, begins to whisper strange words in an ancient Egyptian tongue, the Three Investigators are determined to find out the facts: Why is he speaking? What is he saying? And how is the horrible curse of Ra-Orkon about to be fulfilled? The Mystery of the Whispering Mummy is the third book in The Three Investigators series by Robert Arthur, Jr.. It was originally published in the USA by Random House in 1965. Library of Congress catalog number 99192344 .