| # | Book Title | Author | |
|---|---|---|---|
| 1 | Smuggler's Treasure, The | Buckey, Sarah Masters | |
| 2 | Hoofbeats of Danger | Hughes, Holly | |
| 3 | Night Flyers, The | Jones, Elizabeth McDavid | |
| 4 | Voices at Whisper Bend | Ayres, Katherine | |
| 5 | Secrets on 26th Street | Jones, Elizabeth McDavid | |
| 6 | Mystery of the Dark Tower | Coleman, Evelyn | |
| 7 | Trouble at Fort La Pointe | Ernst, Kathleen | |
| 8 | Under Copp's Hill | Ayres, Katherine | |
| 9 | Watcher in the Piney Woods | Jones, Elizabeth McDavid | |
| 10 | Shadows in the Glasshouse | McDonald, Megan | |
| 11 | Minstrel's Melody, The | Tate, Eleanora E. | |
| 12 | Riddle of the Prairie Bride | Reiss, Kathryn | |
| 13 | Enemy in the Fort | Buckey, Sarah Masters | |
| 14 | Circle of Fire | Coleman, Evelyn | |
| 15 | Mystery on Skull Island | Jones, Elizabeth McDavid | |
| 16 | Whistler in the Dark | Ernst, Kathleen | |
| 17 | Mystery at Chilkoot Pass | Steiner, Barbara | |
| 18 | Strange Case of Baby H, The | Reiss, Kathryn | |
| 19 | Danger at the Wild West Show | Hart, Alison | |
| 20 | Gangsters at the Grand Atlantic | Buckey, Sarah Masters | |
| 21 | Ghost Light on Graveyard Shoal | Jones, Elizabeth McDavid | |
| 22 | Betrayal at Cross Creek | Ernst, Kathleen |