1952 Original Novels digest original – cover art by George Gross
better image than previously posted
1953 Phantom digest from Australia, with new title
Saber x 3
Author: Seattle Mystery Bookshop
We are a bookshop.
1957 Avon paperback original – cover art by Victor Kalin
1953 Pocket reissue – cover art by James Meese
1953 Pocket Books reissue, No. 985
cover art by James Meese
