10. BETTY GORDON AND THE LOST PEARLS
or A Mystery of The Seaside
Betty and her chums go to the ocean shore for a vacation and Betty becomes involved in the disappearance of a string of pearls.
11. BETTY GORDON ON THE CAMPUS
or The Secret of the Trunk Room
An up-to-date college story with a strange mystery that is bound to fascinate any girl reader.
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CUPPLES & LEON COMPANY, Publishers New York