Meg Murry 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.

The magic tree house whisks Jack and Annie away to Australia where they must save some animals from a wildfire.

"All it takes is one hit on the football field, and suddenly Ash's life doesn't look quite the way he remembers it. Impossible though it seems, he's been hit into another dimension--and keeps on bouncing through worlds that are almost-but-not-really his own. The changes start small, but they quickly spiral out of control as Ash slides into universes where he has everything he's ever wanted, universes where society is stuck in the past...universes...

At his great-grandmother's house, Green Knowe, Tolly finds he has lots of other children to play with, who had once lived in the house centuries before.

Jack and Annie are joined by Teddy and Kathleen as they travel to the snowy Land-Behind-the-Clouds, where they search for the eye of the Ice Wizard and attempt to help Merlin and Morgan.

Fourteen-year-old Jason Walker is transported to a strange world called Lyrian, where he joins Rachel, who was also drawn there from our world, and a few rebels, to piece together the Word that can destroy the malicious wizard emperor, Surroth.

A seven-day book of magic proves to be fractious for five children, who must learn the book's rules and tame its magic.

Faced with a dull summer in the city, Jane, Mark, Katharine, and Martha suddenly find themselves involved in a series of extraordinary adventures after Jane discovers an ordinary-looking coin that seems to grant wishes.

Fourteen-year-old Jason Walker is transported to a strange world called Lyrian, where he joins Rachel, who was also drawn there from our world, and a few rebels, to piece together the Word that can destroy the malicious wizard emperor, Surroth.

When demons begin appearing on Earth unpredictably, foreshadowing a cataclysmic breakdown of their magic, Artemis and his friends face a new foe--a twelve-year-old girl whose intellect just might match Artemis's own--as they try to prevent catastrophe.