Cover art

THE "MONDAVIA" SWUNG IN UPON HER VICTIM--THE IRON BOWS SMASHED INTO THE U93. See page 249.

SUBMARINE

U93

A Tale of the Great War, of German Spies,

and Submarines, of Naval Warfare, and

all manner of Adventures.

BY

CAPTAIN CHARLES GILSON

Author of 'A Motor Scout in Flanders,' 'The Lost Empire,' 'The Sword

of Freedom,' 'The Pirate Aeroplane,' 'The Spy,' 'The Race Round the

World,' 'The Sword of Deliverance,' 'The Fire-Gods', 'The Lost Island,'

'The Lost Column,' etc.

THE VERY FIRST PROJECTILE BURST DIRECTLY OVER THE BRIDGE

LONDON

"THE BOY'S OWN PAPER" OFFICE

4 Bouverie Street

1916

UNIFORM WITH THIS VOLUME.

THE BOY'S LIBRARY OF

ADVENTURE AND HEROISM.

The Fifth Form at St. Dominic's. By Talbot Baines Reed.

A Hero in Wolf-skin. By Tom Bevan.

The Adventures of Val Daintry in the Greco-Turkish War. By V. L. Going.

The Adventures of a Three-Guinea Watch. By Talbot Baines Reed.

The Cock-house at Fellsgarth. By Talbot Baines Reed.

Wild Life in Sunny Lands. By Gordon Stables, M.D., R.N.

A Dog with a Bad Name. By Talbot Baines Reed.

The Master of the Shell. By Talbot Baines Reed.

From Scapegrace to Hero. By Ernest Protheroe.

My Friend Smith. By Talbot Baines Reed.

Comrades under Canvas. By Fredk. P. Gibbon.

Parkhurst Boys. By Talbot Baines Reed.

Reginald Cruden. By Talbot Baines Reed.

Roger Ingleton, Minor. By Talbot Baines Reed.

For Queen and Emperor. By Ernest Protheroe.

The Cruise of the Golden Fleece. By Sardius Hancock.

That Boy of Fraser's. By Ernest Protheroe.

A Collegian in Khaki. By William Johnston.

With Rifle and Kukri. By Frederick P. Gibbon.

Meltonians All! By F. Cowley Whitehouse.

Myddleton's Treasure. By Ernest Protheroe.

The Baymouth Scouts. By Tom Bevan.

The Last of the Paladins. By Charles Deslys.

Rollinson and I. By W. E. Cule.

Under the Edge of the Earth. By F. H. Bolton.

Derrick Orme's Schooldays. By Edith C. Kenyon.

Sir Ludar. By Talbot Baines Reed.

Tom, Dick, and Harry. By Talbot Baines Reed

LONDON: THE RELIGIOUS TRACT SOCIETY.

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