Anvard is the moatless castle described in a book series by an author that died in what year?
C. S. Lewis Clive Staples Lewis (29 November 1898 – 22 November 1963) was a British novelist, poet, academic, medievalist, literary critic, essayist, lay theologian, broadcaster, lecturer, and Christian apologist. He held academic positions at both Oxford University (Magdalen College, 1925–1954) and Cambridge University (Magdalene College, 1954–1963). He is best known for his works of fiction, especially "The Screwtape Letters", "The Chronicles of Narnia", and "The Space Trilogy", and for his non-fiction Christian apologetics, such as "Mere Christianity", "Miracles", and "The Problem of Pain".
The Castle of Llyr The Castle of Llyr (1966) is a high fantasy novel by Lloyd Alexander, the third of five volumes in "The Chronicles of Prydain". The story continues the adventures of Taran "Assistant Pig-Keeper", primarily on the Isle of Mona west of Prydain, far from the forces of Arawn, Lord of Death.