Series
A Ballantine science fiction original
We don't know whether this one is finished.
Nobody has confirmed the status of this series yet. That's a gap in our data, not a verdict on the books.
2 books here · 1965
Publication order
This is publication order — nobody has confirmed a different reading order for this one yet.
—
The squares of the city
1965 · John Brunner
—
A Hole in Space
· Larry Niven