Editions of A Question of Proof

338 pages

English language

Published June 19, 1990 by Curley Pub..

344 pages

English language

Published June 19, 1990 by Atlantic.

192 pages

English language

Published June 19, 1969 by Published for the Crime Club by Collins.

Paperback

Published Oct. 19, 1979 by Harpercollins.

294 pages

English language

Published June 19, 1935 by Harper & brothers.

Published Oct. 19, 1979 by Harpercollins, HarperCollins.