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. Augusta Huiell Seaman (1879-1950) was a prolific American author of children's literature.