Meg Murry, her brother Charles Wallace, and their friend Calvin O'Keefe become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.

Having upset the balance between the warring statues of London, twelve-year-old George is confronted with new challenges as he tries to free his captured friends Edie and The Gunner from the formidable Walker and deal with the three strange veins of marble, bronze, and stone that have begun to grow out of his hand.

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

After his parents are kidnapped, timid twelve-year-old Henry York leaves his sheltered Boston life and moves to small-town Kansas, where he and his cousin Henrietta discover and explore hidden doors in his attic room that seem to open onto other worlds.

Presents the continuing adventures of Henry York, who has been living in Kansas with his cousins, where he discovers doorways leading to other worlds and becomes involved in a multi-world struggle between good and evil.

Returned to the Earth of 2037 by the Firstborn, mysterious beings of almost limitless technological prowess, Bisesa Dutt is haunted by the memories of her five years spent on the strange alternate Earth called Mir, a jigsaw-puzzle world made up of lands and people cut out of different eras of Earth's history. Why did the Firstborn create Mir? Why was Bisesa taken there and then brought back on the day after her original disappearance? Bisesa's questions...

In Avenue of Mysteries, Juan Diego--a fourteen-year-old boy, who was born and grew up in Mexico--has a thirteen-year-old sister. Her name is Lupe, and she thinks she sees what's coming--specifically, her own future and her brother's. Lupe is a mind reader; she doesn't know what everyone is thinking, but she knows what most people are thinking. Regarding what has happened, as opposed to what will, Lupe is usually right about the past; without your...

Even as he grows stronger and closer to discovering the secret of his identity, Arthur must face further dangers and conflicts as he struggles to attain the Sixth Key from the powerful Saturday.

As Arthur Penhaligon seeks to find the seventh key, complete his quest to save the Kingdom to which he is heir, and learn his true identity, he discovers that he has a greater purpose than he could have imagined.

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.