When popular Lizzie Lovett goes missing, seventeen-year-old Hawthorne, a lonely misfit, finds herself becoming obsessed with solving the mystery.

When her veteran dad is committed to a psych ward, one girl must unravel a conspiracy that connects her past and the terrorist attack on 9/11--

New friends and a mystery help Aven, thirteen, adjust to middle school and life at a dying western theme park in a new state, where her being born armless presents many challenges.

Seventeen-year-old Max, his girlfriend Parvati, and best friend Pres form Liars, Inc., expecting that forging notes and lying for their peers will lead to easy cash, but when Pres asks Max to cover for him, it may be a fatal mistake.

At Greenglass House, a smuggler's inn, twelve-year-old Milo, the innkeepers' adopted son, plans to spend his winter holidays relaxing but soon guests are arriving with strange stories about the house sending Milo and Meddy, the cook's daughter, on an adventure.

Santa's Workshop Holiday Spectacular at the Colchester mansion is a long standing tradition in Cedarville, however Griffin, Ben, and Antonia are not happy to find that they have been volunteered as elves by their friend Logan and can not get out of it--but this year the pageant seem plagued by frequent electrical outages, and during one of them the valuable antique known as the Star of Prague disappears from the giant Christmas tree, and as they are...

Missing city life after moving to a sleepy town in Michigan, Maggie bonds with restless but dutiful Pauline during a summer that is shattered by a serial killer who is targeting teen girls.

High school seniors Aria, Emily, Spencer, and Hanna barely survived their most recent encounter with A. The police don't believe that the real A is still out there, but the girls know what and who they saw. If they don't track down this final tormentor soon, A will silence them forever.

When someone steals the proceeds of a charity gala aboard a restored riverboat, it's up to Nancy, Bess, and George to find the thief before the clock runs out.

Written off as lost causes, a group of teenagers are secretly recruited and treated with a dangerous serum by the FBI, who set them on the trail of a killer who has turned their town upside down.