NOVEL / SCIENCE FICTION
Ballantine 02468-0
Paperback / 1972
First Printing
Cover Artist: Gene Szafra
Time travel with a twist that only Philip JosÈ Farmer could throw at you. To say anymore would give it away so just read the book.
Panther 04209-1
Paperback / 1976
First British Printing
Cover Artist: Peter Tybus
Ballantine 25843-6
Paperback / 1977
Revised Edition
Cover Artist: Darrell K. Sweet
Panther 04209-1
Paperback / 1979
Second British Printing
Cover Artist: Unknown
Tor 53764-5
Paperback / 1985
Cover Artist: Kevin Eugene Johnson
