Considered by many to be mentally retarded, a brilliant, impatient fifth-grader with cerebral palsy discovers a technological device that will allow her to speak for the first time.

As the third Trial draws to a close, Thomas and some of his cohorts manage to escape from WICKED, their memories having been restored, only to face new dangers as WICKED claims to be trying to protect the human race from the deadly FLARE virus.

Visiting her grandmother in Australia, Livy, ten, is reminded of the promise she made five years before to Bob, a strange, green creature who cannot recall who or what he is.

ZJ's friends Ollie, Darry and Daniel help him cope when his father, a beloved professional football player, suffers severe headaches and memory loss that spell the end of his career.

Logan, an undersized twelve-year-old orphan with a photographic memory and no filter, discovers that his foster parents are superheroes in grave danger and only Logan's highly logical mind can save them.

After the Neverseen prove how vulnerable she is, Sophie decides to learn how to fight, but battle training won't help her friend facing a different kind of danger.

Sophie is settling in nicely to her new life in Havenfield. She's getting to spend time with rare, precious species-- including the first female Alicorn, who shows herself to Sophie and trusts no one but her. Sophie is tasked with helping to train the magical creature so that the Alicorn can be revealed to the people of the lost cities as a sign of hope. But the secrets buried deep in Sophie's memories remain, and before long she's back in incredible...

"Illusions shatter--and Sophie and her friends face impossible choices--in this astonishing eighth book in the New York Times and USA TODAY bestselling Keeper of the Lost Cities series. Sophie Foster wants answers. But after a lifetime of lies, sometimes the truth is the most dangerous discovery. Even the smallest secret comes with terrifying new responsibilities. And Sophie's not the only one with blank spots in her past, or mysteries surrounding...

When fourteen-year-olds Wren and Darra meet at a Michigan summer camp, both are overwhelmed by memories from six years earlier when Darra's father stole a car, unaware that Wren was hiding in the back.

Using her excellent memory, Cam Jansen, aided by her friend Eric, investigates the disappearance of Mrs. Scott's valuable pearl necklace during a charity brunch.