"Pratchett's humor is international, satirical, devious, knowing, irreverent, unsparing, and above all, funny." --Kirkus Reviews Determined to create a wish granting demon, an inept young demonologist instead conjures the Discworld's most incompetent wizard in this devilishly humorous adventure in Sir Terry Pratchett's internationally bestselling fantasy series. Discworld's only demonology hacker, Eric,...