"Meet the brave heroes and heroines, villainous rulers, fearsome giants, powerful gods and goddesses, and terrifying monsters of legend, and learn their exciting stories. Discover supernatural realms that exist beyond our own, from the Norse halls of Valhalla to the Celtic Otherworld and the Greek underworld of Hades. Explore mythology from around the world, where Japanese spirits live in every animal, tree, and rock, and the Egyptian dead are prepared for a dangerous journey to the afterlife."--Back cover.