CONTENTS
CHAPTERS
I. Why the Danger Sign Was Up
II. Torpedo Practice at Last
III. Struck by a Submerged Foe
IV. A Submariner's Revenge
V. The Mysterious Order Comes
VI. Judas & Co. Introduce Themselves
VII. Eph Sommers Plays Gallant
VIII. One, Two, Three—A Full Bag
IX. But Something Happened Next
X. John C. Rhinds Advocates Fair Sport!
XI. The Strain of Red-Hot Metal
XII. Let a Sailor Stick to Her Deck
XIII. The Trick is Easily Seen Through
XIV. Radwin Doesn't See His Best Chance
XV. The Goal of the Lightning Cruise
XVI. Jack Gives the Order. "Fire!"
XVII. The Message of Terror
XVIII. The Findings on the "Thor"
XIX. On the Other Side of the Forced Door
XX. Captain Jack Pulls a New String
XXI. Jack Meets a Human Fact, Face to Face
XXII. A Cornered Submarine Captain
XXIII. A Coward's Last Ditch
XXIV. Conclusion