Anderson

In the short story The Listerdale Mystery, Anderson is a friend of Rupert St. Vincent, the son of Mrs St. Vincent. Anderson and Rupert decided to go on a motorcycling holiday. Not having anywhere definite to go, they decided to visit King's Cheviot, the country estate of Lord Listerdale in an attempt to solve the mystery of Lord Listerdale: what happened to him and why he had rented out a town house to Mrs St. Vincent for a nominal sum.