Description
After finding a mysterious stone and an old casebook, Arthur recalls the 1936 adventures of a boy named Art who, under the identity of the Invisible Detective, works to solve the mystery of sinister puppets who are replacing real people.
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After finding a mysterious stone and an old casebook, fourteen-year-old Arthur Drake finds himself remembering the 1936 adventures of a boy named Art who, under the identity of the Invisible Detective, works with three friends in London to solve the mystery of sinister puppets who are replacing real people.
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