Armed with secret knowledge, Juliette, now mayor of Silo 18 and her crew set out to rescue a world she hates but now understands better -- the world of the Silos with its rigid rules and terrible consequences for disobedience.

In a ruined and toxic landscape, a community exists in a giant silo underground, hundreds of stories deep. In a society full of regulations meant to protect the community, Sheriff Holston, unexpectedly breaks the greatest taboo of all: he asks to go outside. An unlikely candidate is appointed to replace him: Juliette, a mechanic with no training in law, whose special knack is fixing machines. Now Juliette is about to be entrusted with fixing her silo,...

The outer crust is under attack by the subterranean Styx who are turning ordinary humans into walking bombs and incubators for their eggs, and only Will Burrows and his band of retired commandos stand in their way--but the Styx also have problems of their own.

Life becomes more interesting for Ananka Fishbein when, at the age of twelve, she discovers an underground room in the park across from her New York City apartment and meets a mysterious girl called Kiki Strike who claims that she, too, wants to explore the subterranean world.

"When Hyacinth mixes hot and cold water in a sink in London with disastrous results, she learns that the city was built on magical rivers that are now London's sewers--and somehow her family is connected to the magic"--

Will Burrows believes he is safe at the very center of the earth, in a world that no one knows exists, but the Styx are close behind and will follow him anywhere, while on the surface, Drake and some unlikely allies unearth some critical secrets.

When Gran and his family move to Carousel, he has no idea that the town is built atop a secret. Little does he suspect, as he walks his sister to school or casually eats a banana, that mysterious forces lurk mere inches beneath his feet, tearing up the earth like mini-hurricanes and causing the town to slowly but surely sink. When Gran's friend, the difficult-to-impress Catalina Catalan, presses a silver handle into a hillside and opens a doorway...

"Two hundred years in the future, refugees from an environmental cataclysm have fled underground. They survive, scrounging out a living in a twisted maze of tunnels and canals. Scavengers, mistitfs, bandits, renegades and mutants are among the citizens of this subterranean realm. They are sewerfolk, their home, the bowels of a utopian city that was never completed. Life is hard enough, but an overzealous mining company, PERCH wants to get their claws...

"Grimsby, the newest Auditor in the magical Department of Unorthodox Affairs, finds himself in hot water when he intercepts a friend's case in this fast-paced and thrilling urban fantasy. Against all odds, Grimshaw Griswald Grimsby has become an Auditor, enforcing laws about magic for Boston's Department of Unorthodox Affairs. But Grimsby soon realizes the daily grind of his job is far removed from the glamour he imagined. Overlooked for every exciting...