Told from separate viewpoints, Chess, Emma, and Finn Greystone, ages twelve, ten, and eight, investigate why their mother went missing and uncover their ties to an alternate world.

Janie's parents move to the suburbs so she can go to a better school, but when she discovers that all the other students are richer than she is, she feels out of place--until she realizes that there are more important things than money.

Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet -- a task no Cahill dared to imagine. When faced with a choice that could change the future of the world,...

After her father is convicted of embezzlement, Becca Jones, fourteen, and her mother flee Georgia for small-town Ohio but three years later she learns that his misdeeds may have jeopardized not just her future but also her life.

While playing in the championship softball game, star pitcher KT Sutton blacks out and awakes to a changed world where the roles of academics and sports at her middle school have flipped, making talented athletes, such as KT, outcasts and brainy nerds popular.

In a future where the law limits a family to only two children, third-born Luke has been in hiding for the entire twelve years of his life, until he enters boarding school under an assumed name and is forced to face his fears.

In a society that allows families to have only two children, third child Matthias joins the Population Police to infiltrate their system.

Time-travelers Jonah and Katherine are summoned to help another missing child from history, Virginia Dare from the Roanoke Colony, but their journey is sabotaged and goes dangerously awry, leaving them in the wrong time period. Includes author's note about the history of Roanoke Colony and Virginia Dare.

After joining her new friends in the religious group called Fishers of Men, Dorry finds herself immersed in a cult from which she must struggle to extricate herself.

Fourteen-year-old Amy Cahill and her younger brother, Dan, have had enough. Not only do they have to find the 39 Clues first, they're expected to reunite their backstabbing family - the same people who killed their parents. But Amy and Dan haven't survived explosions and assassination attempts for nothing. They have a plan to finish the Clue hutn on their own terms. Too bad there's a final, fatal secret the Madrigals haven't told them. A secret that...