Chase's memory just went out the window.

Chase doesn't remember falling off the roof. He doesn't remember hitting his head. He doesn't, in fact, remember anything. He wakes up in a hospital room and suddenly has to learn his whole life all over again... starting with his own name.

He knows he's Chase. But who is Chase?

When he gets back to school, he sees that different kids have very different reactions to his return.

Pretty soon, it's not only a question of who Chase is--it's a question of who he was... and who he's going to be.

The city of Ember was built as a last refuge for the human race.

Two hundred years later, the great lamps that light the city are beginning to dim. When Lina finds part of an ancient message, she’s sure it holds a secret that will save the city.

Now, she and her friend Doon must race to figure out the clues to keep the lights on.

If they succeed, they will have to convince everyone to follow them into danger. But if they fail? The lights will burn out and the darkness will close in forever.

Can a robot survive in the wilderness?

When robot Roz opens her eyes for the first time, she discovers that she is all alone on a remote, wild island. She has no idea how she got there or what her purpose is--but she knows she needs to survive. After battling a violent storm and escaping a vicious bear attack, she realizes that her only hope for survival is to adapt to her surroundings and learn from the island's unwelcoming animal inhabitants.

As Roz slowly befriends the animals, the island starts to feel like home--until, one day, the robot's mysterious past comes back to haunt her.

A highly inventive mystery begins when sixteen unlikely people gather for the reading of the very strange will of the very rich Samuel W. Westing.

They could become millionaires, depending on how they play a game. All they have to do is find the answer—but the answer to what? The Westing game is tricky and dangerous, but the heirs play on—through blizzards, burglaries, and bombings. Sam Westing may be dead ... but that won't stop him from playing one last game!

Ellen Raskin has created a remarkable cast of characters in a puzzle-knotted, word-twisting plot filled with humor, intrigue, and suspense.