| # | Book Title | Author | |
|---|---|---|---|
| 1 | Mystery at the Wheeler Place, The (1986); Face in the Window, A (1992) | Stahl, Hilda | |
| 2 | Disappearance of Amos Pike, The (1986); Search for the Missing Neighbor, The (1992) | Stahl, Hilda | |
| 3 | Tim Avery's Secret (1986); Secret Father, The (1992) | Stahl, Hilda | |
| 4 | Missing Newspaper Caper, The (1986); Pig Papers, The (1993) | Stahl, Hilda | |
| 5 | Case of the Missing Money, The (1987); Double Crossed! The Case of the Missing Money (1993) | Stahl, Hilda |