Flash Gordon in the Caverns of Mongo HC (1936 Grosset & Dunlap) comic books
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1936. First Edition. Written by Alex Raymond. Significant for being the first novel based on the Flash Gordon comic strip. Dust jacket, frontispiece, and endpapers illustrated by Robb Beebe. Publisher's orange full cloth hardcover binding with titles stamped in black. 5.25" x 7.5", 218 pages, text with an illustrated frontispiece.