CONTENTS
| CHAPTER | PAGE | |
| I. | [ News for the Sheriff ] | 11 |
| II. | [ A Shock for the City ] | 17 |
| III. | [ The New Headquarters ] | 26 |
| IV. | [ Over the Telephone ] | 36 |
| V. | [ Trailed ] | 47 |
| VI. | [ What Kowen Found ] | 56 |
| VII. | [ Verbeck Investigates ] | 63 |
| VIII. | [ Mystery and an Alarm ] | 71 |
| IX. | [ Orders and Letters ] | 78 |
| X. | [ A Double Crime ] | 85 |
| XI. | [ More Mystery ] | 94 |
| XII. | [ Another Telephone Call ] | 101 |
| XIII. | [ Inside the Museum ] | 107 |
| XIV. | [ Missing Masterpieces ] | 116 |
| XV. | [ Some Fishermen ] | 124 |
| XVI. | [ Hot Bread ] | 132 |
| XVII. | [ Muggs Sees His Man ] | 141 |
| XVIII. | [ Muggs Meets Disaster ] | 147 |
| XIX. | [ Important Information ] | 155 |
| XX. | [ On the Trail ] | 163 |
| XXI. | [ A Tense Moment ] | 172 |
| XXII. | [ On the Roof ] | 183 |
| XXIII. | [ Muggs Gives a Tip ] | 192 |
| XXIV. | [ On the Trail ] | 202 |
| XXV. | [ End of the Trail ] | 209 |
| XXVI. | [ The Big Blow ] | 218 |
| XXVII. | [ Muggs Takes a Chance ] | 227 |
| XXVIII. | [ The Alarm ] | 235 |
| XXIX. | [ Caught in the Net ] | 244 |
| XXX. | [ Muggs Arrives ] | 249 |
| XXXI. | [ An Empty Net ] | 250 |
| XXXII. | [ The Letter ] | 254 |