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

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.

Polly's visit to her grandparents in Connecticut becomes an extraordinary experience as she encounters old friends and mysterious stangers and finds herself traveling back in time to play a crucial role in a prehistoric confrontation.

Patrick and his sister and brother are drawn into the desperate efforts to repair the Barrier between two parallel worlds before it is destroyed.

Thirteen-year-old Lucy Eberslee, the Gatekeeper's deputy at the end of the world, teams up with Arthur and Rosemary, who are from other worlds, to investigate why the doors between worlds are stuck.

In this third book about Omri and his magic cupboard, Omri and his friend Patrick must risk grown-ups' discovering their secret when they find themselves in need of a friend's toy plastic doctors to save wounded people from the dangerous world of the Old West which the cupboard enables them to enter.

"In the final book in the Twinmaker series, Clair, Q, and Kari Sargent must enter The Yard, a digital landscape created by their enemy, in order to save the world"--

After plummeting through a hole in her backyard and finding herself once again in the room of mysterious jars, eleven-year-old Olive unwittingly releases two of Elsewhere's biggest, most cunning, most dangerous forces.

"When something crucial goes missing, eleven-year-old Olive and her friends must decide how to get it back--put their faith in a strange and dangerous magic, their odd new neighbors, or someone more uncertain and terrifying than both"--Provided by publisher.

"An old magic resurfaces in twelve-year-old Olive's house, and in order to save herself, those she loves, and all of Elsewhere, she must uncover the complex history of this eerie, painted world, its magical origins, and its creator"--