| 1—Jack Lightfoot, the Athlete | By Maxwell Stevens |
| 2—Jack Lightfoot’s Crack Nine | By Maxwell Stevens |
| 3—Jack Lightfoot Trapped | By Maxwell Stevens |
| 4—Jack Lightfoot’s Rival | By Maxwell Stevens |
In order that there may be no confusion, we desire to say that the books listed below will be issued during the respective months in New York City and vicinity. They may not reach the readers at a distance promptly, on account of delays in transportation.
To Be Published in July, 1923.
| 5—Jack Lightfoot in Camp | By Maxwell Stevens |
| 6—Jack Lightfoot’s Canoe Trip | By Maxwell Stevens |
To Be Published in August, 1923.
| 7—Jack Lightfoot’s Iron Arm | By Maxwell Stevens |
| 8—Jack Lightfoot’s Hoodoo | By Maxwell Stevens |
To Be Published in September, 1923.
| 9—Jack Lightfoot’s Decision | By Maxwell Stevens |
| 10—Jack Lightfoot’s Gun Club | By Maxwell Stevens |
To Be Published in October, 1923.