GROSSET & DUNLAP

Publishers New York

Copyright, 1940, by

GROSSET & DUNLAP, INC.

All Rights Reserved

Printed in the United States of America

CONTENTS

I[Bombed!]
II[Out of the Poison Fog]
III[High Explosive]
IV[The Code Message]
V[Struck Down From Behind]
VI[Murder Below Decks]
VII[“Man Overboard!”]
VIII[The Second Attack]
IX[Red Nabs A Spy]
X[A Desperate Scheme]
XI[Jaws of Death]
XII[Tigers of the Sea]
XIII[Wings of Destruction]
XIV[The Mysterious Captive]
XV[Red Gets A Shock]
XVI[Danger and A Woman]
XVII[Orders From Washington]
XVIII[The Dark Field]
XIX[A Lucky Encounter]
XX[The Test]
XXI[Cho-San]
XXII[Wet Tracks in the Fog]
XXIII[The Chinese Cabinet]
XXIV[Cho-San’s News]
XXV[Lotus’ Confession]
XXVI[The Room of A Thousand Torments]
XXVII[When the Lights Went Out]
XXVIII[Pulling Death’s Whiskers]
XXIX[The Wrath of Cho-San]
XXX[Trapped]
XXXI[The Secret Chamber]