| # | Book Title | Author | |
|---|---|---|---|
| 1 | Chelsea and the Outrageous Phone Bill | Stahl, Hilda | |
| 2 | Big Trouble for Roxie | Stahl, Hilda | |
| 3 | Kathy's Baby-Sitting Hassle | Stahl, Hilda | |
| 4 | Hannah and the Special 4th of July | Stahl, Hilda | |
| 5 | Roxie and the Red Rose Mystery | Stahl, Hilda | |
| 6 | Kathy's New Brother | Stahl, Hilda | |
| 7 | Made-Over Chelsea | Stahl, Hilda | |
| 8 | No Friends for Hannah | Stahl, Hilda | |
| 9 | Tough Choices for Roxie | Stahl, Hilda | |
| 10 | Chelsea's Special Touch | Stahl, Hilda | |
| 11 | Mystery at the Bellwood Estate | Stahl, Hilda | |
| 12 | Hannah and the Daring Escape | Stahl, Hilda | |
| 13 | Hannah and the Snowy Hideaway | Stahl, Hilda | |
| 14 | Chelsea and the Alien Invasion | Stahl, Hilda | |
| 15 | Roxie's Mall Madness | Stahl, Hilda | |
| 16 | Secret Tunnel Mystery | Stahl, Hilda |