CONTENTS
| CHAPTER | PAGE | |
| I | Lost | [9] |
| II | Fire! | [23] |
| III | Paul Looks Into the Matter | [28] |
| IV | Detectives | [36] |
| V | A Suspicious Individual | [44] |
| VI | The Spy | [53] |
| VII | The Robbery | [66] |
| VIII | Encounter | [73] |
| IX | Who Is Mr. Grey? | [81] |
| X | Stumped! | [90] |
| XI | A Hunch | [97] |
| XII | A Bump on the Head | [105] |
| XIII | Discovery | [113] |
| XIV | A New Turn of Events | [122] |
| XV | Following Up Their Clues | [131] |
| XVI | Paul Gets Into Trouble | [138] |
| XVII | Parental Admonitions | [149] |
| XVIII | False Alarm! | [156] |
| XIX | Captured! | [163] |
| XX | Escape! | [172] |
| XXI | Convincing the Police | [178] |
| XXII | Mr. Grey | [191] |
| XXIII | Paul Helps Out | [197] |
| XXIV | Battle | [204] |
| XXV | Into the Lake | [210] |
| XXVI | Trouble at Home | [218] |
| XXVII | Mystery of the White Card | [229] |
| XXVIII | Again the White Card | [237] |
| XXIX | Mystery Solved | [243] |
BANNER BOY SCOUTS
MYSTERY