The secret of the puzzle box

The members of the Code Busters Club take a class trip to Angel Island, the Ellis Island of the West, where they discover a mysterious box with a connection to one of the Code Busters.

9781512403077
book

Holdings

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71714844606652317604248801120PECO368PECO73325F WAR100015798937721736518457
282772463115682389604248801120HOE263HOE0093956FIC WAR100016377825731736800991
410668873137372455604248801120GRLS241GRLS906009BASKET COD92017425694091742569409