برچسب: pocket book
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pocket book Pocket Books produced the first mass-market, pocket-sized paperback books in America in early 1939 and revolutionized the publishing industry. The German Albatross Books had pioneered the idea of a line of color-coded paperback editions in 1931 under Kurt Enoch; Penguin Books in Britain had refined the idea in 1935 and had 1 million […]