In an antique-filled mansion, sisters Claire and Sophie find a ladder to the magical land of Arden, where wraiths roam freely, unicorns have disappeared, and the guilds of magic no longer trust each other.

Phoebe and her best friend, a unicorn named Marigold, navigate the difficulties of grade school, celebrate the winter holidays, and explore their superhero/villain personas together.

After saving three worlds, Max has trouble settling back into middle school and life at home, but when he tries to return to the magical planet of Magrus, the evil Maelshadow begins changing humans into monsters in an effort to take over the planet.

Phoebe and Marigold deal with trouble at school, messy rooms, and a case of "Sparkle Fever," before returning to Camp Wolfgang where Sue and Ringo remind them why being weird is so much fun.

Thirteen-year-old Skandar Smith has always wanted to be a Unicorn rider, but when the mysterious Weaver steals the most powerful unicorn in the world, Skandar must face sky battles, ancient secrets, and bloodthirsty unicorns in order to save his island.

Everybody thinks that the "ponies" in Xander's magic show are made to look like zombie ponies with tricks and make-up, but the eccentric billionaire Russ DeVon knows what they are (the unicorn part, at least) because when Russ was nine he discovered Pegasia, and was kicked out for trying to steal a baby unicorn--and now he will stop at nothing to get back there.