In a world of drones and androids Zen Starling is a human thief, but mostly he just likes to ride the Interstellar Express, the sentient trains that travel through the K gates from planet to planet, something only the Guardians understand--but now the mysterious Raven wants him to steal the Pyxis, an object that could either open up a new gate, challenging the Guardians, or put the entire gate system, and the universe itself in danger.

Peter's life in the town of Phoenix had seemed pretty normal until he finds out the powerful Shackleton Co-operative is planning to exterminate humanity.

With less than a day to go until the end of the world, there's nowhere left to hide; Luke and Jordan don't think they'll make it through the night, let alone save the day.

When his parents split up, Luke's mum drags him to Phoenix, a brand-new town in the middle of nowhere, and there he discovers that someone is plotting to wipe out the human race.

It has been two years since Joseph Harker first Walked between dimensions, met the alternate forms of himself, and formed a team to protect the Altiverse in the struggle between the vicious forces of magic and science--and now, injured, he has returned to his own dimension, bringing danger with him.

Things are going well for sixteen-year-old Bree Bennis until the day she leans over to kiss her anachronistic boyfriend, Finn, and her lips meet those of her nemesis Wyck instead, but to repair damage to the timeline she must pose as Wyck's girlfriend and risk losing Finn--to kidnappers, or worse.

Ana is an honor student obsessed with being successful at everything academic, Clayton is her thirteen-year-old genius brother, the youngest student in their high school and Zak is gamer who is forced to join the quiz team by his teacher--but when Clayton sneaks off to a science fiction convention in Seattle while they are all there for a quiz bowl tournament, Ana is forced to rely on the unreliable Zak to find him.

Newton Warp is the newest student at Franken-Sci High, a school for aspiring mad scientists, and must create a last-minute project for the mad science fair.

California high school students Kaida, Zeke, and Joy fall into a parallel universe in which all resembles their normal lives except that there is no medicine nor health care, which could mean big trouble for Joy, whose arm was injured in the accident that started their troubles.

Angel doesn't remember her magical heritage...but it remembers her. Magic and science collide when she embarks on a journey to her true home, and to herself. Angel lives with a loving foster family, but dreams of a land that exists only in the pages of a fantasy novel. Until she meets Gregor, whose magic Talent saves her life and revives lost memories. She follows Gregor to her homeland...a world unlike any she has imagined, where she travels a path...