He comes out in three of the seven books ( The Lion , the Witch and the Wardrobe , Prince Caspian , and The Voyage of the Dawn Treader ) , and a smaller character in two other books ( The Horse and His Boy , and The Last Battle ) . He is a principal character in three of the seven books ( The Lion , the Witch and the Wardrobe , Prince Caspian , and The Voyage of the Dawn Treader ) , and a lesser character in two others ( The Horse and His Boy and The Last Battle ) .