The Three Investigators undertake a case involving an Egyptian mummy which whispers, but only to one man.
- ISBN10 0394837681
- ISBN13 9780394837680
- Publish Date 12 May 1978
- Publish Status Out of Stock
- Publish Country US
- Imprint Random House Books for Young Readers
- Format Paperback (US Trade)
- Pages 185
- Language English