Lockwood & Co. is a young adult supernatural thriller series by Jonathan Stroud. It follows three young operatives of a psychic detection agency (Anthony Lockwood, Lucy Carlyle and George Cubbins) as they fight ghosts (known as Visitors) in London, England. The series consists of five books: The Screaming Staircase, The Whispering Skull, The Hollow Boy, The Creeping Shadow, and The Empty Grave, published from 2013 to 2017. Source: Wikipedia (en)