In which year was the Irish author of the book about the adventures of the skeleton detective and a teenage girl born?
Derek Landy: Derek Landy (born 23 October 1974) is an Irish author and screenwriter, best known for the Skulduggery Pleasant series of young adult's books. Skulduggery Pleasant:  The books revolve around the adventures of the skeleton detective, Skulduggery Pleasant, and a teenage girl, Stephanie Edgley/Valkyrie Cain, along with other friends.
1974