Mary Louise Solves a Mystery
Mary Louise in the Country
Mary Louise and the Liberty Girls
Mary Louise and Josie O'Gorman
Mary Louise Adopts a Soldier
Penny Nichols and the Knob Hill Mystery
Ruth Fielding in the Great Northwest; Or, the Indian Girl Star of the Movies
Ruth Fielding at College; Or, the Missing Examination Papers
The Outdoor Chums at Cabin Point Or the Golden Cup Mystery
Ruth Fielding Down East; Or, the Hermit of Beach Plum Point