| The Planet of No Return | Comic | 1967-07 | Nevio Zeccara, Dick Wood | |
| The Devil's Isle of Space | Comic | 1968-03 | Dick Wood, Nevio Zeccara | |
| Invasion of the City Builders | Comic | 1968-12 | Dick Wood, Alberto Giolitti | |
| The Peril of Planet Quick Change | Comic | 1969-06 | Dick Wood, Alberto Giolitti | Spock |
| The Ghost Planet | Comic | 1969-09 | Dick Wood, Alberto Giolitti | |
| When Planets Collide | Comic | 1969-12 | Dick Wood, Alberto Giolitti | |
| The Voodoo Planet | Comic | 1970-03 | Dick Wood, Alberto Giolitti | |
| The Youth Trap | Comic | 1970-09 | Dick Wood, Alberto Giolitti | |
| The Legacy of Lazarus | Comic | 1971-02 | Len Wein, Alberto Giolitti | |
| Sceptre of the Sun | Comic | 1971-05 | Len Wein, Alberto Giolitti | |