Signal in the Dark

Tom Swift in the Land of Wonders; Or, The Underground Search for the Idol of Gold

Tom Swift and His Electric Locomotive; Or, Two Miles a Minute on the Rails

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

The Boy Scouts of the Flying Squadron

The Automobile Girls at Washington; Or, Checkmating the Plots of Foreign Spies

Tom, The Bootblack; or, The Road to Success

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