"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?"--...

In Underland, Macfarland delivers his masterpiece: an epic exploration of the Earth's underworlds as they exist in myth, literature, memory, and the land itself. He takes us on an extraordinary journey into our relationship with darkness, burial, and what lies beneath the surface of both place and mind. Traveling through "deep time" - the dizzying expanses of geologic time that stretch away from the present - he moves from the birth of the universe...

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,...

"What is the best way to survive when the going gets tough? From dinosaurs to penguins, from trilobites to humans, discover the marvelous subterranean secret to survival. Humans have "gone underground" for survival for thousands of years, whether in ancient underground cities or Cold War-era bunkers. But our burrowing roots go back to the very beginnings of animal life on earth. Without burrowing, our planet would be very different today. Many animal...

"Charlotte - aka Charlie - a pretty redhead, sets up an expedition to find her brother. The young scientist, who disappeared underground several months ago, claimed - to everyone's astonishment - to be able to prove the existence of Hell by using Darwin's theory of evolution! The little group, led by Charlie, plunge underground in his pursuit. The deeper they progress into the entrails of our planet, the more they enter another world that hides other...

"Stel Caine rises from the depths to the sun-blasted surface of the Earth, the first human in millennia to do so. She's closer than ever to discovering the deep-space probe, which holds within it the potential to save all mankind. But eons of radiation have given birth to strange new life, and humans are no longer the dominant species here. Meanwhile, deep below the waves, Stel's daughters start their own journeys topside. Will this family reunion...

For centuries, the residents of the underground City of Ember have flourished in an amazing world of glittering lights and quiet contentment. But when the City's massive power generator begins to fail, the streetlamps fade - along with the hopes of the townspeople. Now it will be up to two courageous teenagers to follow a trail of clues left by the ancient builders to find the way out of Ember before their world is plunged into complete darkness.

Four generations ago, the Earth was rendered uninhabitable and those who remained were forced underground. In Compound Eleven, the hierarachy of floors is everything and on Eve Hamilton's floor, they fight. When she meets a boy from the top floor, Eve is no longer content to just survive, she is ready to fight for freedom.

As Will Burrows continues to search for his lost archaeologist father in the strange underground world he has discovered, he stumbles across a sinister plot with terrible implications for the world above.

In the year 241, twelve-year-old Lina trades jobs on Assignment Day to be a Messenger to run to new places in her decaying but beloved city, perhaps even to glimpse Unknown Regions.