Sixth-graders Peter and Susan discover that their substitute teacher is a an extraterrestrial visitor with sinister plans for their classmates.

"Angus Cairns is a brownie, a magical creature with a fastidious nature. Alex Carhart is the messiest eleven-year-old in the United States of America. Together, this unlikely pair embarks on an unforgettable adventure"--

Seeking to unravel the secret of the long enmity between unicorns and delvers, Cara travels through a strange underground world to the court of the centaur king. While on Earth, Beloved and her hunters make final plans to jump to the fantasy land of Luster and drive the unicorns to extinction.

A shy twelve-year-old girl must solve a puzzle involving characters from Greek mythology to free herself from a spell that makes her irresistible to boys.

Then Moongobble the Magician and his faithful toad, Urk, move into the cottage on the hill. Soon Edward has a job helping Moongobble. And Moongobble needs a lot of help, because it turns out he is not a very good magician. (His spells keep turning things into cheese!) Edward has never been so busy -- or so happy. But then someone threatens to stop Moongobble from ever casting another spell. Edward can't let that happen. He'll do anything to save his...

Seventh-graders Peter, Susan, and Duncan tour the earth with three alien friends, on a mission to find some reason that will stop the aliens from destroying Earth.

The mysterious night noises are bothering William and one night he finds out what is making the noises.

Rod is surprised when a miniature spaceship lands in his school science project and reveals five tiny aliens who ask for his help.

A brave squire, an earnest page, and a strong-willed princess set out, each for individual reasons, to try to slay the dragon created to carry out a witch's revenge.