Camp Concentration/Editions
This is a partial list that doesn't include translations. For more details, see ISFDB.
All the notes on the rest of this site refer to the 1999 Vintage Books edition.
US
Vintage Books (Random House), 1999. Trade paperback. Cover art (by Jana Sturbek): back of prisoner's head with bar code. ISBN 0375705457
Carroll & Graf, 1988. Paperback. Cover art (by Stephen Hall): head with detached face. This also featured a weirdly Reaganesque back cover blurb, claiming that the novel was about "a frightening future world when Third World guerrillas are busy at work undermining the shaky foundations of Western democracies." ISBN 0881843865
Bantam Books, 1980. Paperback. Cover art (artist unknown): Thinker-type statue with barbed wire. ISBN 0553131176
Avon, 1971. Paperback. Cover art (artist unknown): watercolor collage of screaming person with gas mask head whose torso opens onto a landscape. ISBN 0380023482
Doubleday, 1969. Hardcover. Cover illustration by Saul Lambert.
UK & Australia
Panther/Granada, 1977. Paperback. Cover art (artist unknown): giant brain in a tub in a prison cell. ISBN 0586028463
Panther, 1973. Paperback. Cover art (artist unknown): jagged face fragments with barbed wire. ISBN 0586028463
Panther, 1969. Paperback. Cover art (by Rickards/Vargo): silhouetted head full of machinery. ISBN 0586028463
Hart-Davis, 1968. Hardcover. Cover art (by Ken Reilly): alchemical or Kabbalistic diagram. ISBN 0246973528