After high school juniors Spencer, Emily, Hanna, and Aria think they have seen Ali, their missing and presumed dead friend, they pursue clues from a mysterious stalker, trying to find out if she is still alive.

Despite her scabby knees and dirty fingernails, Geraldine knows that she is a princess inside and shows it through her behavior at home and in school.

In a dark future America that has devolved into unending civil wars, orphans Mahlia and Mouse barely escape the war-torn lands of the Drowned Cities, but their fragile safety is soon threatened and Mahlia will have to risk everything if she is to save Mouse, as he once saved her.

A big sister teaches her younger siblings some important words, like "responsibility," "perseverance," and "respect."

Eighteen year old James Sveck copes with the uncertainties of adolescence as he works in his mother's Manhattan art gallery, falls for a charming older gentleman, and tries to decide what he wants out of life.

Transferring to a new high school, freshman Charlotte "Charlie" Healey faces tough choices as she tries to shed her "mean girl" image.

While navigating his first year of high school and awaiting the birth of his new baby brother, Scott loses old friends and gains some unlikely new ones as he hones his skills as a writer.

Former best friends Emily, Aria, Hanna, and Spencer continue to live in fear as they struggle to keep hidden even more secrets and someone new begins stalking them via their cell phones.

Young Edwardo accidentally changes from the most horrible boy to the nicest boy in the whole world.

Math loving eighth grader Tess learns that sometimes life, like algebra, has no solutions and that sh