NEW YORK
HURST & COMPANY
PUBLISHERS


Copyright, 1915,
BY
HURST & COMPANY


CONTENTS

CHAPTERPAGE
I.The Story of the Old Windmill[5]
II.A Moment of Peril[17]
III.The Battle in the Air[30]
IV.The Tell-Tale Chart[42]
V.Striking a Clue[55]
VI.Behind the Trenches[67]
VII.The Red Lanterns in the Sky[83]
VIII.The Awakening[92]
IX.When the Drive Was On[105]
X.The Check Line[116]
XI.Watching the Battle Ebb and Flow[127]
XII.From the Cupola Lookout[138]
XIII.The Trapped Uhlans[147]
XIV.Met on the Road[156]
XV.What Came of a Good Act[171]
XVI.Figuring It All Out[184]
XVII.Shelter from the Storm[194]
XVIII.Through a Crack in the Floor[211]
XIX.Jack Demands the Truth[221]
XX.Arousing a Coward[231]
XXI.Bombarded by a Zeppelin[243]
XXII.At Headquarters in Ypres[256]
XXIII.A Ride On a Gun Caisson[269]
XXIV.What Little Jacques Did[281]
XXV.Nearing the Goal[296]

Two American Boys with the
Allied Armies.

CHAPTER I.
THE STORY OF THE OLD WINDMILL.

“Why not climb up into this battered old windmill, Amos, and take an observation?”