A.A. Milne was an English writer best known for writing multiple books centering around the teddy bear Winnie-the-Pooh. Milne was also a notable author before his great success with the creation of Winnie-the-Pooh, having written books such as Once on a Time and the Red House Mystery. The Sunny Side, published in 1921, is a collection of short stories, poems, and essays.
