5. BETTY GORDON AT MOUNTAIN CAMP or The Mystery of Ida Bellethorne At Mountain Camp Betty found herself in the midst of a mystery.
6. BETTY GORDON AT OCEAN PARK or School Chums on the Boardwalk A glorious outing that Betty and her chums never forgot.
7. BETTY GORDON AND HER SCHOOL CHUMS or Bringing the Rebels to Terms Rebellious students, disliked teachers and mysterious robberies.
8. BETTY GORDON AT RAINBOW RANCH or Cowboy Joe's Secret Betty and her chums have a grand time in the saddle.
9. BETTY GORDON IN MEXICAN WILDS or The Secret of the Mountains Betty receives a fake telegram and finds both Bob and herself held for ransom in a mountain cave.
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.
