William H. Armstrong (1911 - 1999) was an American children's author and educator, best known for his 1969 Newbery Medal-winning novel, Sounder. In 1956, at the request of his school headmaster, he published his first book, a study guide called Study Is Hard Work. Armstrong followed this title with numerous other self-help books, and in 1963 he was awarded the National School Bell Award of the National Association of School Administrators for distinguished service in the interpretation of education. In 1969, Armstrong published his masterpiece, an eight-chapter novel titled Sounder about an African-American sharecropping family. Praised by critics, Sounder won the John Newbery Medal and the Lewis Carroll Shelf Award in 1970, and was adapted into a major motion picture in 1972.