The Slipper-point Mystery

When fourteen-year old Sally Carter meets a new friend, Doris Craig, she shares a secret place, she has discovered on Slipper Point. Neither Sally nor Doris can possibly imagine where this intriguing mystery will take them! 'The Slipper Point Mystery' is a classic, fun, adventure story from 1919.
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Augusta Huiell Seaman (1879-1950) was a prolific American author of children's literature.