The Mystery of the Secret Hideout

Are you up for a thrilling adventure?

While exploring an old castle near Silver Lake, the Mystery Kids stumble across a secret tunnel and discover two men hiding in the dungeon.

Why do the children explore the castle at midnight? What is in the wooden crates? Why does Joe travel to France?

Set in 1950's Britain, this adventure story will suit anyone who enjoys Nancy Drew, the Hardy Boys or the Famous Five.

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