| # | Book Title | Author | |
|---|---|---|---|
| Ghost Squad and the Ghoul of Grunberg, The | Hildick, E. W. | ||
| Ghost Squad and the Halloween Conspiracy, The | Hildick, E. W. | ||
| Ghost Squad and the Menace of the Malevs, The | Hildick, E. W. | ||
| Ghost Squad and the Prowling Hermits, The | Hildick, E. W. | ||
| Ghost Squad Breaks Through, The | Hildick, E. W. | ||
| Ghost Squad Flies Concorde, The | Hildick, E. W. |