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The Three Investigators, Book 3: The Mystery of Whispering Mummy
Robert Arthur
Hardcover (Random House, March 15, 1985)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?
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The Mystery of the Whispering Mummy
Robert Arthur
Paperback (Random House Books for Young Readers, May 12, 1978)The Three Investigators undertake a case involving an Egyptian mummy which whispers, but only to one man.
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Alfred Hitchcock and the Three Investigators in The Mystery of the Whispering Mummy
Robert Arthur
Paperback (HarperCollins Publishers, Nov. 29, 1979)None
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The Mystery of the Whispering Mummy
Robert Arthur
Paperback (Random House, March 15, 1985)see image
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The Mystery of the Whispering Mummy
Robert Arthur, Alfred Hitchcock, Hector Sebastian
Library Binding (Tandem Library, June 15, 1998)None
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The Mystery of the Whispering Mummy
Robert Arthur
Mass Market Paperback (Scholastic, March 15, 1965)None