The Race Round the World. A Tale of the Motor Spirit of the Future.
The Pirate Aeroplane. A Tale of the Kingdom of Asmalia.
The Lost Island. A Tale of a Chinese Secret Society.
The Lost Column. A Tale of the Boxer Rebellion in China.
Across the Cameroons. A Tale of the Germans in West Africa.
The Spy. A Tale of the Peninsular War.
The Sword of Freedom. A Tale of the English Revolution.
The Lost Empire. A Tale of the Napoleonic Wars.
In the Power of the Pygmies. A Tale of Central Africa.
In Arms for Russia. A Tale of the Great War.