[LOCKS & ESCAPES]. Group of Six Books and a Postcard. Including: COURTNEY, Charles. Unlocking Adventure. New York and London: 1942, 1951. Includes first and second American editions, and first British edition (second American ed. INSCRIBED AND SIGNED by the author), and the condensed version extracted from Coronet. ? HOPKINS, Albert. The Lure of the Lock. New York, 1928. One of 1,000 copies. Copiously illustrated and diagrammed with descriptions of various types of locks. With a facsimile edition of the same. ? A postcard for The Original Colibri, ?the smallest Handcuff King." ? and two others.