Transcriber's note: Obvious printer's errors have been corrected. Hyphenation and accentuation have been standardised, all other inconsistencies are as in the original. The author's spelling has been maintained.

Fighting by Sea and Sky.
Painting by John E. Whiting.

Aircraft and Submarines
The Story of the Invention, Development,
and Present-Day Uses of War's
Newest Weapons

Willis J. Abbot
Author of "The Story of Our Army," "The Story of Our Navy,"
"The Nations at War"

With Eight Color Plates and
100 Other Illustrations

G. P. Putnam's Sons
New York and London
The Knickerbocker Press
1918

Aircraft and SubmarinesThe Story of the Invention, Development,and Present-Day Uses of War'sNewest Weapons

Willis J. AbbotAuthor of "The Story of Our Army," "The Story of Our Navy,""The Nations at War"

Aircraft and Submarines
The Story of the Invention, Development,
and Present-Day Uses of War's
Newest Weapons

Willis J. Abbot
Author of "The Story of Our Army," "The Story of Our Navy,"
"The Nations at War"