Watty Piper was a pen name of Arnold Munk, who was the owner of the publishing firm Platt & Munk. Arnold Munk was born in Hungary, and as a child, moved with his family to the United States, settling in Chicago. Later he moved to New York. Platt & Munk's offices were at 200 Fifth Avenue until 1957 when Arnold Munk died. Arnold Munk used the name Watty Piper as both an author of children's books and as the editor of many of the books that Platt & Munk published.
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