THE BETTY GORDON MYSTERIES follow the adventures of 12-year-old Betty Gordon, a spunky orphan who has been sent to live on a farm. Over the course of the next few months, she solves several mysteries involving her missing Uncle, in the oilfields of Texas, finding buried treasure, and searching for a missing girl.• Betty Gordon at Bramble Farm, or, The Mystery of a Nobody• Betty Gordon in Washington, or, Strange Adventures in a Great City• Betty Gordon in the Land of Oil, or, The Farm that was Worth a Fortune• Betty Gordon at Boarding School, or, The Treasure of Indian Chasm• Betty Gordon at Mountain Camp, or, The Mystery of Ida Bellethorne