When a twelve-year-old evil genius tries to restore his family fortune by capturing a fairy and demanding a ransom in gold, the fairies fight back with magic, technology, and a particularly nasty troll.

Discovering a way to build a super-computer using stolen fairy technology, young criminal mastermind Artemis sets out to blackmail a Chicago businessman but runs into a trap that leaves Butler mortally injured.

"Tony Stark is known throughout the world as many things: Corporate tycoon. Billionaire. Inventor. Genius. But first and foremost, he is famous for being the red-and-gold -armored Super Hero, the invincible Iron Man. What Tony's fans don't know is what happened in his childhood that led him to put away his toys and replace them with weapons designed to maintain peace and order. They don't realize how much pain he is hiding under his suit's shiny exterior....

"Did you know that if the conditions are just right, and if you add a little electricity, or magic, or luck, that an imaginary friend might appear just when you need one? An imaginary friend like Fred. Fred is the best imaginary friend you could ever hope for, but no matter how hard he tries, the same thing always happens: his friend finds a friend in the real world, and Fred fades away, bit by bit, waiting to be wished for again... Then one day,...

In Victorian London, Albert Garrick, an assassin-for-hire, and his reluctant young apprentice, Riley, are transported via wormhole to modern London, where Riley teams up with a young FBI agent to stop Garrick from returning to his own time and using his newly acquired scientific knowledge and power to change the world forever.

Told in alternating voices, twelve-year-old Sami, from a village along the Bay of Bengal, and fourteen-year-old Yuki, from Northern Canada, strive to protect their homes from the encroaching damage brought on by climate change.

In the late nineteenth century, when Conor Broekhart discovers a conspiracy to overthrow the king, he is branded a traitor, imprisoned, and forced to mine for diamonds under brutal conditions while he plans a daring escape from Little Saltee prison by way of a flying machine that he must design, build, and hardest of all, trust to carry him to safety.

Artemis's mother has contracted a deadly disease -- and the only cure lies in the brain fluid of African lemurs. Unfortunately, Artemis himself was responsible for making the lemurs extinct five years ago. Now he must enlist the aid of his fairy friends to travel back in time and save them. Not only that, but he must face his deadliest foe yet ... his younger self.

In order to free his father from the Russian Mafiya, Artemis must join forces with the fairy police and his familiar nemesis, Captain Holly Short.