In a ruined and toxic landscape, within a giant underground silo hundreds of stories deep, lives a society full of regulations they believe are meant to protect them. Then Sheriff Holston, who has unwaveringly upheld the silo's rules for years, breaks the greatest taboo of all: He asks to go outside. His decision unleashes a drastic series of events. His unlikely replacement - Juliette, a mechanic with no training in law, is about to learn how badly...

When a roamer trades them an ancient book with only a few pages remaining, Lina and Doon return to Ember to seek the machine the book seems to describe in hopes that it will get their new community, Sparks, through the winter.

A visual and anecdotal exploration of the curious worlds hidden beneath our feet, including ancient cities, salt mine cathedrals, underground amusement parks, and more. From bone-filled catacombs to sculpted salt churches to hand-carved cave complexes large enough to house 20,000 people, Underground Worlds is packed with more than 50 unusual destinations that take some digging to find. Award-winning travel writer David Farley revels in the unexpected,...

"Wool introduced the world of the Silo. Shift told the story of its creation. Dust will describe its downfall. Juliette, now mayor of Silo 18, doesn't trust Silo 1, especially its leader, Donald. But in the world of the Silos, there is no black and white -- everything is shades of gray. Donald may not be the monster Juliette thinks he is, and may in fact be key to humanity's continued survival. But can they work together long enough to succeed?"--...

"It was supposed to just be a normal basement--some storage boxes, dust, you know, the usual basement stuff. But when Milo is sent by his mother to fetch a sock from the basement of the historic home they've moved into, Milo finds a door in the back that he's never seen before. Turns out that the basement of his house is enormous. In fact, there is a whole world down there. As Milo travels ever deeper into the Basement World, he meets the many Things...

Pulp paintings and rhyming text spotlight the underground world of burrowing, tunneling, and digging animals. Includes "Creature Indentification" page.

When eleven-year-old Gregor follows his little sister through a grate in the laundry room of his New York apartment building, he hurtles into the dark Underland beneath the city. There, humans live uneasily beside giant spiders, bats, cockroaches and rats. All Gregor wants is to find his way home. Until he discovers that a prophecy foretells a role for him in the Underland's future. Now he finds himself on a quest that will change both him and the...

A short study of everything that goes on under London--from original springs and streams and Roman amphitheaters to Victorian sewers, gang hideouts, and modern tube stations.

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.

A completely implausible earthquake sets Frederik Sandwich and Pernille, a mysterious stranger, on an adventure through secret and forbidden places in their small town.