Title: The girl at central
First published: 1915
Description: Molly Morganthau works as a switchboard operator for a New York telephone exchange. But Molly has a secret: she's also an amateur detective who picks up clues by eavesdropping on callers. In Geraldine Bonner's first Molly Morganthau novel, Molly helps to solve a murder. Subsequent books featuring the character saw her working as an undercover private eye for a team of lawyers.