The Radio-Phone Boys’ Series
1. Curlie Carson Listens In 2. On the Yukon Trail 3. The Desert Patrol 4. The Seagoing Tank 5. The Flying Sub 6. Dark Treasure 7. Whispering Isles 8. Invisible Wall
Adventure Stories for Girls
1. The Blue Envelope 2. The Cruise of the O’Moo 3. The Secret Mark 4. The Purple Flame 5. The Crimson Thread 6. The Silent Alarm 7. The Thirteenth Ring 8. Witches Cove 9. The Gypsy Shawl 10. Green Eyes 11. The Golden Circle 12. The Magic Curtain 13. Hour of Enchantment 14. The Phantom Violin 15. Gypsy Flight 16. The Crystal Ball 17. A Ticket to Adventure 18. The Third Warning
Transcriber’s Note
- Copyright notice provided as in the original printed text—this e-text is in the public domain in the country of publication.
- Obvious typographical errors were corrected without comment; non-standard spellings and dialect were left unchanged.
- Promotional material was moved to the end of the book, and the list of books in the three series was completed using other sources.