Albert Hitfield and The Three Investigators in The Mystery of the Laughing Shadow

Every true “The Three Investigators”-Fan dreams about following the adventures of Jupiter, Pete and Bob in the original American edition.
“The Three Investigators and the Mystery of the Laughing Shadow”, finally available for your reading device!

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!