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CONTENTS
| CHAPTER | PAGE | |
| I. | Vacation Plans | 7 |
| II. | At Lighthouse Cove | 15 |
| III. | Sammy Gets a Clue | 23 |
| IV. | In the Lighthouse | 31 |
| V. | The Dark Beacon | 41 |
| VI. | Just in Time | 48 |
| VII. | On the Trail | 55 |
| VIII. | Driven Back | 63 |
| IX. | In the Boat | 70 |
| X. | Carried Out to Sea | 80 |
| XI. | In the Storm | 90 |
| XII. | Drifting | 95 |
| XIII. | The Abandoned Boat | 104 |
| XIV. | The Rescue | 110 |
| XV. | Two Mysteries Cleared Up | 120 |
