The Cryptogram

From Author Wars - https://authorwars.com/books/the-cryptogram-2698277.html

Overview:

Title: The Cryptogram
Author: Jules Verne
Year: 1967
Type: Novels

Editions/Publications:

Unknown. The Cryptogram (Unknown, Jules Verne, Arco Publishing, 18/-, 152 pages, Hardcover, Novel)
Unknown. The Cryptogram (Unknown, Jules Verne, Associated Booksellers, $2.75, 152 pages, Hardcover, Novel)