Teenaged criminal mastermind Artemis Fowl must save the underwater fairy metropolis of Atlantis from danger, while battling a psychological affliction known as the Atlantis Complex.
Isabel and Ethan, two of the Named, sworn to fight the evil Order of Chaos, set out with Isabel's brother Matt to find their ageless mentor Arkarian, who has been kidnapped and sent to the underworld.
Fifteen-year-old Jeff and his mixed-up robot, Norby, travel backwards and forwards in time and find themselves prisoners on an alien planet in another universe.
Having used their magic tree house to travel to India, where they must get a gift to help free the dog Teddy from a spell, Jack and Annie have adventures involving a tiger and other endangered jungle animals.
A young child looks out a bedroom window seeing the backyard as it would have looked if she had seen it during various historical and geological periods.
Meg and her friends become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.