THE BOY ALLIES WITH THE FLYING SQUADRON; or,
The Naval Raiders of the Great War.
THE BOY ALLIES WITH THE TERROR OF THE SEA; or,
The Last Shot of Submarine D-16.
THE BOY ALLIES UNDER THE SEA; or,
The Vanishing Submarine.
THE BOY ALLIES IN THE BALTIC; or,
Through Fields of Ice to Aid the Czar.
THE BOY ALLIES AT JUTLAND; or,
The Greatest Naval Battle of History.