The Purgatory of Peter the Cruel is a historical fiction novel by James Greenwood. The book is set in the 14th century, during the reign of Peter the Cruel, the King of Castile. The story follows the journey of a young Englishman named Richard, who is sent to Spain to serve as a squire to a knight in the service of Peter the Cruel. As Richard arrives in Spain, he witnesses the brutal and ruthless nature of Peter the Cruel. The king is known for his...