Seventeen-year-old Val runs away to New York City, where she falls in with a gang of squatters who live in the city's subway system and consort with faeries, trolls, and other strange creatures.
Falsely accused of theft and murder, an orphaned peasant boy in fourteenth-century England flees his village and meets a larger-than-life juggler who holds a dangerous secret.
To free herself from an upcoming arranged marriage, Claudia, the daughter of the Warden of Incarceron, a futuristic prison with a mind of its own, decides to help a young prisoner escape.
Based upon the life of a real "petticoat soldier," tells the story of Jennie Hodgers, who dressed as a boy and enlisted in the 95th Illinois Infantry during the Civil War under the name of Private Albert Cashier.
Back in London, fifteen-year-old twins Sophie and Josh Newman must determine whom they can and cannot trust as they search for both Scatty and an immortal who can teach Josh the magic of fire, while Doctor Dee and Machiavelli continue to seek power.
When twelve-year-old twins Philippa and John discover that they are descended from a long line of djinn, their mother sends them away to their Uncle Nimrod, who takes them to Cairo where he starts to teach them about their extraordinary powers.
Artemis Fowl creates an extraordinarily powerful computer with stolen fairy technology, but his business deal hopes go sour when a Chicago businessman steals his invention and mortally wounds Artemis's loyal bodyguard.