The mystery at Lilac Inn

The Lost Princess of Oz

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

The Outdoor Girls at Rainbow Lake; Or, The Stirring Cruise of the Motor Boat Gem

The Boy Scouts of the Flying Squadron

The Girls of Central High at Basketball; Or, The Great Gymnasium Mystery

Missing at Marshlands Arden Blake Mystery Series #3

The Trail of the Green Doll A Judy Bolton Mystery

The Black Police: A Story of Modern Australia

The Radio Girls at Forest Lodge; or, The Strange Hut in the Swamp

Just in time

Stopping the leak