Ruth Fielding on Cliff Island; Or, The Old Hunter's Treasure Box

Ruth Fielding at Silver Ranch: Or, Schoolgirls Among the Cowboys

Ruth Fielding on the St. Lawrence: Or, The Queer Old Man of the Thousand Islands

Ruth Fielding at Briarwood Hall (露絲菲爾汀系列之布萊爾伍德大廳：友情的考驗)

Ruth Fielding at Silver Ranch: Or, Schoolgirls Among the Cowboys

Betty Gordon at Bramble Farm: Or, The Mystery of a Nobody

Ruth Fielding at Snow Camp; Or, Lost in the Backwoods

Betty Gordon in the Land of Oil; Or, The Farm That Was Worth a Fortune: Uncovering Secrets in the Oil Boom Era

Ruth Fielding on the St. Lawrence: Or, The Queer Old Man of the Thousand Islands

Ruth Fielding of the Red Mill; Or, Jasper Parloe's Secret

Ruth Fielding in the Saddle: Or, College Girls in the Land of Gold

Betty Gordon at Boarding School: Or, The Treasure of Indian Chasm

Betty Gordon at Boarding School: Or, The Treasure of Indian Chasm

Ruth Fielding at Sunrise Farm: Or, what Became of the Raby Orphans

Betty Gordon and the Lost Pearls: Or, A Mystery of the Seaside

Betty Gordon at Boarding School (貝蒂戈登系列之寄宿學校：印第安峽谷的寶藏)

Ruth Fielding in the Red Cross: Or, Doing Her Best for Uncle Sam

Ruth Fielding Down East: Or, The Hermit of Beach Plum Point

Ruth Fielding in the Saddle: Or, College Girls in the Land of Gold

Betty Gordon in Washington: Or, Strange Adventures in a Great City