Gerard K. O'Neill has written at least 7 books. Their most popular book is The High Frontier: Human Colonies in Space with 10 saves with an average rating of 3⭐.
Series
8 primary booksAuthored 13% of series
Apogee Books Space Series is a 8-book series with 8 released primary works first released in 1977 with contributions by Gerard K. O'Neill, Sy Liebergot, and David M. Harland.