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                                            STEINBECK, JOHN and EDWARD F. RICKETTS.  Sea of Cortez.  New York: Viking Press, 1941.  Thick 8vo, original green cloth (corners a little rubbed) dust jacket.  FIRST EDITION, 40 plates of photographs, PRESENTATION COPY, inscribed by Ricketts at time of publication on verso of front free endpaper: "Dec. 9-1941.  To Dr. Hoyt, who, as family physician to both of us, will be interested in our joint product.  The Authors.  E.F. Ricketts."  Goldstone & Payne A15b. This collaboration between Steinbeck and his close friend Ed Ricketts is the result of their visit to the Gulf of California on the "Western Flyer," a 76-foot purse seiner, to collect marine invertebrates in March and April 1940.