BIGGERS, EARL DERR. The Black Camel. 8vo, publisher's cloth, spine darkened slightly and tips with minor rubbing; dust jacket, chipping to spine panel tips with corresponding tape repairs to verso, some soiling and overall rubbing, spine faded; ownership signature to front flyleaf. first edition, in the variant jacket with the Charlie Chan letter on rear panel. Indianapolis: Bobbs-Merrill, 1929