In searching for a lost parrot who recites Shakespeare with a stutter, Jupiter Jones' firm of young detectives becomes involved with a missing masterpiece.

An eerie moaning sound is coming from a cave where a young bandit disappeared many years ago. Ranchers nearby figure he must still be alive. The Three Investigators set out to explore the moaning cave and soon wish they had come armed with more than a flashlight! Part of a classic series originally published beginning in 1964.

A green ghost oozes through the walls of a crumbling old mansion, leading The Three Investigators to an open coffin and a grinning skeleton wearing a string of priceless Chinese Ghost Pearls. When the ghost disappears--along with the pearls--the sleuths are off on their strangest case ever!

In searching for a lost parrot who recites Shakespeare with a stutter, Jupiter Jones' firm of young detectives becomes involved with a missing masterpiece.

A case involving an Egyptian mummy which whispers, but only to one man.