X v. Rex
By: [by] Martin Porlock [pseud.]
Publisher: Pub. for the Crime club, ltd., by W. Collins sons & co., ltd.
Published: 1933
Place of publication: London, UK
Language: eng
Number of pages: 254
Other titles: The Mystery of Mr. X
Description: Later republished as Mystery of the Dead Police by Philip MacDonald as Pocket Books #70, 1940)