The Motor Girls on Waters Blue; Or, the Strange Cruise of the Tartar

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

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

The Motor Girls Through New England; or, Held by the Gypsies

Girl Scouts in the Rockies

The Woodcraft Girls in the City

Motor Boat Boys on the St. Lawrence Or, Solving the Mystery of the Thousand Islands

The Motor Girls at Lookout Beach; Or, In Quest of the Runaways

The Motor Boys on the Border; Or, Sixty Nuggets of Gold

The Camp Fire Girls on a Yacht

The Motor Boys Afloat; or, The Stirring Cruise of the Dartaway

The River Motor Boat Boys on the Amazon; Or, The Secret of Cloud Island