Invisible Barriers
by Robert Silverberg
writing as David Osborne*
Form: Novel
Year: 1958
ID: 604
Publication history:
- 1958: Invisible Barriers, Avalon Hard cover book, 223 pp.
Blurb:
[Not on record]
Other resources:
[None on record]
Comments:
An expansion of
(which was published under Silverberg's own name – go figure).