ILLUSTRATIONS
| The wharves are a favorite meeting place for the gang | [Frontispiece] |
| Boys “jump freights” because they “like to go and see places” | [20] |
| “We fought for the fun of it” | [20] |
| A football game between city gangs | [44] |
| “A shanty or clubhouse in the woods” | [44] |
| An inadequate playground | [170] |
| A model playground | [170] |