- 1Chapter 1 — Trouble for Mr. Parker
- 2Chapter 2 — A Rival Reporter
- 3Chapter 3 — Traveling Companions
- 4Chapter 4 — Pine Top Mountain
- 5Chapter 5 — Over the Barbed Wire
- 6Chapter 6 — Penny Trespasses
- 7Chapter 7 — The Green Door
- 8Chapter 8 — A Coded Message
- 9Chapter 9 — A Call for Help
- 10Chapter 10 — Locked in the Cabin
- 11Chapter 11 — A Newspaper Mystery
- 12Chapter 12 — The Green Card
- 13Chapter 13 — An Unkind Trick
- 14Chapter 14 — A Broken Rod
- 15Chapter 15 — In the Tool House
- 16Chapter 16 — A Puzzling Solution
- 17Chapter 17 — Strange Sounds
- 18Chapter 18 — Questions and Clues
- 19Chapter 19 — Peter Jasko Serves Notice
- 20Chapter 20 — Visitors
- 21Chapter 21 — Old Peter’s Disappearance
- 22Chapter 22 — The Secret Stairs
- 23Chapter 23 — Rescue
- 24Chapter 24 — Henri’s Salon
- 25Chapter 25 — Scoop!
Behind the Green Door
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