Bob Cook and the German Spy

The Boy Volunteers on the Belgian Front

The Banner Boy Scouts Mystery

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

The Boy Spies of Philadelphia

The Story of How the Young Spies Helped the Continental Army at Valley Forge

On The Blockade

His Lordship's Leopard

A Truthful Narration of Some Impossible Facts

The Boy Spies with the Regulators

The Story of How the Boys Assisted the Carolina Patriots to Drive the British from That State

Captain Lucy in the Home Sector

Aunt Jane's Nieces at Work

A Case of Sunburn

With the Swamp Fox

A Story of General Marion's Young Spies

The German Spy System from Within

Shamar's War

A Jacobite Exile

Being the Adventures of a Young Englishman in the Service of Charles the Twelfth of Sweden

The Wailing Octopus

A Rick Brant Science-Adventure Story