| # | Book Title | Author | |
|---|---|---|---|
| 1 | Camp Club Girls & the Mystery at Discovery Lake | Brumbaugh, Renae | |
| 2 | Sydney's D.C. Discovery | Fischer, Jean | |
| 3 | McKenzie's Montana Mystery | Barr, Shari | |
| 4 | Alexis and the Sacramento Surprise | Rodgers, Erica | |
| 5 | Kate's Philadelphia Frenzy | Hanna, Janice | |
| 6 | Bailey's Peoria Problem | Carlblom, Linda | |
| 7 | Elizabeth's Amarillo Adventure | Brumbaugh, Renae | |
| 8 | Sydney's Outer Banks Blast | Fischer, Jean | |
| 9 | Alexis and the Arizona Escapade | Rodgers, Erica | |
| 10 | Kate's Vermont Venture | Hanna, Janice | |
| 11 | McKenzie's Oregon Operation | Barr, Shari | |
| 12 | Bailey's Estes Park Excitement | Carlblom, Linda | |
| 13 | Elizabeth's San Antonio Sleuthing | Brumbaugh, Renae | |
| 14 | Sydney and the Wisconsin Whispering Woods | Fischer, Jean | |
| 15 | Bailey and the Santa Fe Secret | Carlblom, Linda | |
| 16 | Kate and the Wyoming Fossil Fiasco | Hanna, Janice | |
| 17 | Alexis and the Lake Tahoe Tumult | Rodgers, Erica | |
| 18 | McKenzie's Branson Brainteaser | Barr, Shari | |
| 19 | Sydney and the Curious Cherokee Cabin | Fischer, Jean | |
| 21 | Elizabeth and the Music City Mayhem | Brumbaugh, Renae | |
| 22 | Kate and the Pennsylvania Pretzel Pickle | Hanna, Janice | |
| 23 | Bailey and the Florida Mermaid Park Mystery | Carlblom, Linda | |
| 24 | McKenzie and the Iowa History Mystery | Barr, Shari |