Laura Ingalls Wilder (1867?1957) finished her autobiography, Pioneer Girl, in 1930 when she was sixty-three years old. Throughout the 1930s and into the early 1940s, she drew upon her original manuscript to write a successful series of books for young readers. Wilder's vision of life on the American frontier in the last half of the nineteenth century continues to draw new generations of readers to her Little House books. Editor Nancy Tystad Koupal...