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Mary Roberts Rinehart (1876-1958) was an American writer, often called the American Agatha Christie, although her first mystery novel was published 14 years before Christie's. She is considered the source of the phrase "The butler did it", although she did not actually use the phrase. She is considered to have invented the "Had-I-But-Known" school of mystery writing. She also created a costumed supercriminal called "the Bat", who was cited by Bob Kane as one of the inspirations for his "Batman." Many of her books and plays were adapted for movies, such as The Bat (1926), The Bat Whispers (1930), and The Bat (1959 remake). In 1933 RCA Victor released The Bat as one of the earliest talking book recordings.