"The Black Cauldron," part of Lloyd Alexander's Chronicles of Prydain, follows a young pig-keeper named Taran as he embarks on an adventure in a fantastical land. Taran's quest begins when he learns that the evil warlord Arawn is seeking a magical black cauldron that can create an unstoppable army. To stop Arawn, Taran teams up with a diverse group of allies, including the clever Princess Eilonwy and the loyal Gurgi, a creature who often...