Ace Double cover of Off Center
|Genre||Science fiction Short stories|
|Media type||Print (Paperback)|
The first printing, by Ace, was bound dos-à-dos with Knight's The Rithian Terror, as Ace Double M-113. In 1969 the book was re-issued in the UK by Gollancz with the title Off Centre; the novella was omitted and three additional stories were included: "Dulcie and Decorum", "Masks", and "To Be Continued".