The Three Investigators, Message from the Underworld

Thanks to his unfailing power of deduction, Justus Jonas has once again solved a case for the Three Investigators in no time at all. But no sooner is the file closed than the three detectives receive mail from a mysterious client. He calls himself "Professor Moriarty," after Sherlock Holmes' great arch-enemy, and commissions Justus, Peter, and Bob to decipher a mysterious message for him. Soon the Three Investigators learn that they are pawns in a dangerous game: Uncle Titus is arrested, Inspector Cotta is unreachable - and Moriarty always seems to be one step ahead. But Justus wouldn't be Justus if he didn't accept the challenge!

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