"Alfred Hitchcock and The Three Investigators in The Mystery of the Whispering Mummy", text by Robert Arthur with illustrations by Harry Kane, published by Random House, copyright 1965. This is the third in Alfred Hitchcock juvenile detective book series.
The Three Investigators is a firm of youthful detectives formed by three enterprising lads: Jupiter Jones, Pete Crenshaw, and Bob Andrews. Jupiter is the brains of the outfit, Bob takes notes on all cases and does research, Pete is strong and agile and is invaluable as Jupiter's assistant on active missions.
Good condition with no rips, tears, or writing. The cover has some wear to the corners, spine and edge. This is a hard cover book with 185 pages. Size: 8-1/2" long by 5-3/4" wide.