CHAPTERPAGEI.The Runaway Car5II.The “White Shark”16III.A Wonderful Craft23IV.More Strange Discoveries35V.A Wild Chase44VI.Jack Makes a Promise54VII.The Launching of the Model61VIII.Jupe Battles with a Water Monster71IX.Off on the Strangest Craft on Record85X.In Dire Danger92XI.Tom’s Plan for Rescue103XII.A British Skipper113XIII.An Important Telegram119XIV.The Voice in the Dark132XV.The Man Behind the Mystery142XVI.Adam Duke’s Methods150XVII.The Tables Are Turned159XVIII.Heaven’s Intervention166XIX.An Insufficient Disguise174XX.A Naval Encounter183XXI.A Fresh Danger196XXII.A Narrow Escape204XXIII.The “White Shark” and the Squadron211XXIV.A Mystery Adrift222XXV.Lost in the Fog236XXVI.“A Phantom of Light”243XXVII.Land Is Sighted250XXVIII.A Single Chance260XXIX.A Fortunate Find269XXX.A Fish Story277XXXI.Facing a Serious Situation286XXXII.The “White Shark” to the Rescue299