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The Mystery of the Laughing Shadow (The Three Investigators, #12)
The Mystery of the Laughing Shadow - The Three Investigators, #12 Author:William Arden, Robert Arthur The laugh filled the dark night—high and crazy like a hyena!
Then a shadowy figure loomed in the blackness—tall, twisted, and humpbacked. Its small head jerked strangely.
Who—or what—was this awful laughing shadow?
The Three Investigators had to find out--before the shadow found them!