The secret of the caves

Frank and Joe solve a mystery involving the disappearance of a professor, a hot-tempered hermit, sabotage at the new Bayport Coastal Radar Station, and the Honeycomb Caves.

Grosset & Dunlap, an imprint of Penguin Random House
2017
9780515159097
book
Cover image of The secret of the caves

Holdings

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13048814971034231663624915918PEBT367PEBT65496FIC DIX100015814652241736518457