Warning: Contains Spoilers Skulduggery Pleasant: The Faceless Ones (sometimes known simply as Skulduggery Pleasant 3) is the third novel in the Skulduggery Pleasant novels written by Derek Landy.The story continues after the events of the second book, and follows the undead wizard and detective, Skulduggery Pleasant and his fourteen-year-old assistant Valkyrie Cain as they try attempt to prevent the Diablerie from finding a way to open a gate between earth and the Faceless Ones.