• The Secret of Jungle Park

    The Bobbsey twins try to figure out who is sabotaging an amusement park. Children’s mystery book.

  • The Bobbsey Twins’ Adventure in the Country

    The Bobbsey Twins are spending the summer on their aunt and uncle’s farm when some strange things start happening. Children’s mystery book. Stratemeyer Syndicate.

  • The Bobbsey Twins of Lakeport

    The Bobbsey Twins investigate an old house and search for a missing treasure. Vintage Stratemeyer Syndicate mystery book for kids.

  • Ruth Fielding in Moving Pictures

    When their dormitory is destroyed by a fire, Ruth Fielding and her friends make a movie to raise money to rebuild. Children’s vintage mystery book. Stratemeyer Syndicate.

  • Ruth Fielding and the Gypsies

    Ruth Fielding and her friend Helen are kidnapped by gypsies and solve the mystery of a stolen pearl necklace. Vintage Stratemeyer Syndicate children’s book.