In the distant future, when fifteen-year-old Wren Natsworthy, bored with life in Anchorage, steals an Old-Tech book for a Lost Boy, she sets off a sequence of events that leads her parents, Tom and Hester, back into battle with old enemies and new.

While dealing with people from their past and treachery from unexpected sources, Tom, Hester, and Wren return to save the world.

In Mayda, a post-apocalyptic city off the coast of Portugal, a brilliant young engineer and a mysterious recluse race to build a flying machine, unaware that powerful enemies will kill to possess--or destroy--their new technology.

"In a dangerous future world where gigantic, motorized cities attack and devour each other, London hunts where no other predator dares. But Anna Fang -- pilot, adventurer, spy -- isn't afraid. These three stories show gripping, moving, exciting moments in Anna Fang's life: her childhood as a slave aboard the moving city Arkangel, a showdown against a robotic Stalker that is terrifyingly out of control, and her free life as an intelligence agent for...

"When ten-year-old Astra and her family move to a new planet, she must save the spaceship and its crew from man-eating cakes, aliens, and more"--

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.