When Newbery Medal winner Neil Gaiman and Emmy Award winner Michael Reaves teamed up, they created the bestselling YA novel InterWorld.

InterWorld tells the story of Joey Harker, a very average kid who discovers that his world is only one of a trillion alternate earths. Some of these earths are ruled by magic. Some are ruled by science. All are at war.

Joey teams up with alternate versions of himself from an array of these

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After a vaccine accidentally creates superpowers in a small percentage of the population, seventeen-year-old Ciere, an illusionist, teams up with a group of fellow high-class, super-powered thieves to steal the vaccine's formula while staying one step ahead of mobsters and deadly government agents--

When Taylor Cook develops incredible abilities, she finds herself at the Human Garde Academy, where the Loric are training the new generation of Garde to control her powers.

"When the United Nations takes drastic measures against the Human Garde to keep them in check, the students at the Academy must go on the offensive while those who have defected face off against a new and equally dangerous threat"--

Responding to a distress call on the distant planet of Achlys, Thea Sadik and her search-and-rescue crew are confronted by a zombie-like outbreak that forces them to uncover a monstrous enemy.

Fifteen-year-old Claire Ryan has always felt invisible, always lived beyond people's notice, which causes trouble when she instantly connects with seventeen-year-old Nix, who really can become invisible and has been sent to assassinate her.

When the peaceful alien-run government decides to simply withdraw from Earth, it seems that the terrorist group Sapience is going to get the free Earth it wanted; but Donovan Reyes, member of the security forces, and once a prisoner of Sapience, realizes that freedom comes with a price--other alien races want to strip the planet of its resources, and if anyone is going to survive, what is left of the security forces and Sapience have to work together....

Joey Harker is a Leader.

With InterWorld trapped by HEX and his only other companion—the mysterious Time Agent Acacia Jones—missing in action, Joey's the only one left. Though injured and alone, he refuses to give up. How can he, when all the worlds are depending on him?

As the threat of FrostNight looms ever closer, Joey seeks out more of his fellow Walkers across the Altiverse, training them as fast as he can and trying

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For a century now, Earth has been a peaceful colony of an alien race, and Donovan Reyes is a loyal member of the security forces, while his father is the Prime Liaison--but when a routine search and seizure goes bad Donovan finds himself a captive of the human revolutionary group, Sapience, terrorists who seem to prefer war to alien rule, and killing Donovan just might be the incident they are looking for.

Teens Faith and Dylan finally go head-to-head with the mastermind behind their pulses.