| # | Book Title | Author | ||
|---|---|---|---|---|
| 1 | Space Ship Under the Apple Tree, The | Slobodkin, Louis | ||
| 2 | Space Ship Returns to the Apple Tree, The | Slobodkin, Louis | ||
| 3 | Three-Seated Space Ship, The | Slobodkin, Louis | ||
| 4 | Round Trip Space Ship | Slobodkin, Louis | ||
| 5 | Space Ship in the Park, The | Slobodkin, Louis |