A Question of Proof > Editions
by Nicholas Blake First published 1935
Published October 28th 1990
by John Curley & Associates
Large Print, Paperback, 338 pages
Published June 12th 2018
by Agora Books
Kindle Edition, 234 pages
Published May 3rd 2012
by Vintage Digital
Kindle Edition, 290 pages
Published June 4th 2012
by Vintage Books
Paperback, 276 pages
Published January 1st 2008
by Rue Morgue
Paperback, 159 pages
Published November 2015
by Emecé
Mass Market Paperback, 295 pages
Published January 1st 1979
by Perennial Library
First Edition, Mass Market Paperback, 232 pages
Published September 27th 2007
by Mondadori
I Classici del Giallo Mondadori #1177, Paperback, 221 pages
Published July 1st 1999
by Diogenes Verlag
Paperback, 316 pages
Published July 25th 2018
by Agora Books
Paperback, 232 pages