A. A. Wyn's Magazine Publishers was a publishing house established and owned by A. A. Wyn

A. A. Wyn

Aaron A. Wyn , born Aaron Weinstein, was an American publisher. He edited pulp magazines for Harold Hersey's Magazine Publishers. When Hersey departed the company in the summer of 1929, Wyn, after a brief interlude from Harold S. Goldsmith, took charge of the company. Hersey's swastika logo was...

. It began in the 1930s as a pulp magazine

Pulp magazine

Pulp magazines , also collectively known as pulp fiction, refers to inexpensive fiction magazines published from 1896 through the 1950s. The typical pulp magazine was seven inches wide by ten inches high, half an inch thick, and 128 pages long...

 publisher, and included titles such as Ace Mystery and Ace Sports. They also used the name "Periodic House", and also branched out to publishing comic books as Ace Comics

Ace Comics (publishers)

Ace Comics was the banner under which pulp magazine publisher Aaron A. Wyn and his wife Rose Wyn produced comic books between 1940 and the end of 1956. The Wyns had been publishing pulp fiction under the Periodical House and Magazine Publishers names since 1928...

. In the 1940s the company also began publishing books.

In 1952 Wyn founded Ace Books

Ace Books

Ace Books is the oldest active specialty publisher of science fiction and fantasy books. The company was founded in New York City in 1952 by Aaron A. Wyn, and began as a genre publisher of mysteries and westerns...

, 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 Books.