The Three Investigators and the Doppelganger

Should there really be a second... Justus Jonas? Jan, who has taken refuge in the junkyard out of fear of devious villains, doesn't know that he is thereby putting the Three ???, and especially his doppelganger Justus, in great difficulty. Danger and chaos lurk at every turn. Justus is caught and imprisoned by the men in Jan's place. Bob and Peter prove that they can act correctly and thoughtfully even without their boss. A wild chase begins, because every minute counts!

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