BERKELEY, Anthony. The Poisoned Chocolates Case. New York: Doubleday, Doran for the Crime Club, 1929. 8o. Original cloth; pictorial dust jacket, generally fine. Provenance: A.P. Ambrose (ownership inscription dated 1929 on front free endpaper) -- Ronald Segal (sale, Sotheby's, 19 December 2000, part of lot 373). FIRST AMERICAN EDITION. -- Trial and Error. Garden City: Doubleday, Doran & Co., 1937. 8o. Original printed wrappers (minor stains and fading, front wrapper splitting). ADVANCED COPY OF THE FIRST AMERICAN EDITION, with a letter "Dear Bookseller..." printed on the front wrapper. Together 2 volumes, both Haycraft-Queen Cornerstones. (2)