SF Encyclopedia Picture Gallery
Sydney Horler. The Order of the Octopus (New York: George H Doran, 1926) [vt of The Mystery of No. 1 (1925): Paul Vivanti: hb/]
Image courtesy of Spy Guys and Gals
Sydney Horler. The Order of the Octopus (New York: George H Doran, 1926) [vt of The Mystery of No. 1 (1925): Paul Vivanti: hb/]
Image courtesy of Spy Guys and Gals