A. A. Wyn's Magazine Publishers
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A. A. Wyn's Magazine Publishers was a publishing house established and owned by A. A. Wyn. It began in the 1930's as a pulp magazine publisher, and included titles such as Ace Mystery and Ace Sports. In the 1940's the company also began publishing books. In 1952 Wyn founded Ace Books, and by the mid-fifties Wyn had sold most or all of his hardback rights, and may also have ceased publishing magazines by that time to focus on Ace.