CONTENTS.[PREFACE]I.[The United States Against the World]II.[First Battle on the Ocean]III.[An Interview with the Secretary of the Navy]IV.[Blowing Up of the Tien-Tsin]V.[Prisoners of the Sea]VI.[Out of a Living Tomb]VII.[An Attack on the Japanese Troops]VIII.[The Act of a Madman]IX.[Another Blowing Up]X.[The Fraudulent Message]XI.[An Urgent Call for the Holland XI]XII.[Defeat Turned Into Victory]XIII.[The Central American Canal]XIV.[Cast Upon the Shore]XV.[Tidal Waves and Whales]XVI.[Saving the Merchantman]XVII.[Playing the Spy]XVIII.[The Capture of Hang Chang]XIX.[News of the President's Daughter]XX.[The Cave Under the Ocean]XXI.[Out of One Danger Into Another]XXII.[A Run Not Wanted]XXIII.[The Fight off Cape Nome]XXIV.[Sinking of the Ivan II]XXV.[In Which the Holland XI is Captured]XXVI.[Prisoners on the Holland XI]XXVII.[The Defeat of the Enemy]XXVIII.[An Underwater Earthquake]XXIX.[The Rescue of Jean Fevre]XXX.[The Last Battle—Conclusion]