Beyond the Nightmare Gate is the third book in the World of Lone Wolf book series created by Joe Dever and written by Ian Page. It is one of four books in the mini-series and features Grey Star, for whom the first book is named, a young Wizard trained by the enigmatic Shianti to stop the Wytch-King and his Shadakine Empire. All four of the Grey Star books were released by Project Aon along with many of the other installments of the Lone Wolf series. Source: Wikipedia (en)