Looking for God in Harry Potter

For the latest edition of this book that covers all 7 Harry Potter novels, see How Harry Cast His Spell.
John Granger, a Christian, a teacher of classic literature, and a father of seven children, explores the surprising reasons J. K. Rowling's books are so popular and examines what the author believes are strong Christian themes throughout the Harry Potter books. Granger helps readers understand the classic literary devices used in the Potter books and contends that Rowling is writing in the tradition of Tolkien and C. S. Lewis. Are they just a good read, or do they nourish the soul as well?