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First published 1958
Publisher Avon
Format Paperback
Type Novel
Catalog ID T-238
Cover art Art Sussman
Pages 159
Price $0.35

An expansion of "The Weakness of RVOG" (1949), which was co-written with Damon Knight.


©1958 No other statement of publication or printing. Month from the fifth Avon edition (April 1970) The artist is not credited; Sussman's initials match those on other books, including Leinster's "The Planet Explorer" at this link. Printed in the US

Title Year Publisher Format Type Catalog ID Cover Artist Pages
VOR Cover 1958 Avon Paperback Novel T-238 159
VOR Cover 1959 Corgi Paperback Novel S681 John Richards 156
VOR Cover 1967 Avon Paperback Novel S313 Don Crowley 158
VOR Cover 1967 Avon Paperback Novel S313 Don Crowley 158
VOR Cover 1970 Avon Paperback Novel S415 Don Crowley 158
VOR Cover 1970 Avon Paperback Novel S415 Don Crowley 158
VOR Cover 1978 Severn House Hardcover Novel 160
VOR Cover 1979 Avon Paperback Novel Don Crowley 158
VOR Cover 1979 Arrow Books Paperback Novel Chris Foss 158
VOR Cover 2011 Gateway / Orion eBook Novel