Lacuna, one of the Castle Zombie twins, goes to Hell to find a missing sorcerer and the Elixir of Youth and learns the history of the mythical world of Xanth.
Smash, a half human ogre, finds himself in Xanth coming to the aid of seven assorted females and wondering how all that high-flown conversation can be coming out of his mouth.
Princess Ivy is bored, so she uses the Heaven Cent. Instead of going her someplace exciting, she ends up in Mundania, where she meets a young college student so dull that he doesn't even believe in magic, princesses, or Xanth.
Mare Imbrium is exiled to the day world with a message for King Trent of Xanth: "Beware the Horseman!" She had no idea of its meaning until she met the Horseman.
Drawn into Xanth by a harmless-looking computer game, Dug and Kim battle their way across Xanth, testing their courage against dozens of fearsome obstacles.
A troupe of traveling players, led by the half-human playwright Cyrus the Cyborg and including three young princesses, are assembled by the Good Magician Humfrey who wants them to attract the attention of Ragna the Roc and stop him from taking over Xanth, but a spy among them might ruin the plan.
X(A/N)th accepts a dare from his fellow demons to travel the enchanted land of Xanth, which he secretly rules, but is challenged by their conditions and the arrival of a family of humans, blown into his realm by a rampaging hurricane.
Surprise and Umlaut Golem are delighted when the stork arrives with their long-awaited son, but when Surprise is disqualified from motherhood on a technicality, the couple sets out on a quest to find someone who can help them be reunited with the child they have longed for.
After being given an unwelcome gift by a mysterious stranger, Goody Goblin hopes the Good Magician Humfrey can help him get rid of the offensive gift, but in exchange, Goody is given an impossible task that leads him across the land.
