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...

Making their way beneath the Antarctic ice toward the center of the world, a team of specialists traverses rocks, caverns, and underground rivers in darkness, not knowing the incredible wonders--and terrors beyond imagination--that lie ahead.

A sequel to "The Relic" which has NYPD Lt. D'Agosta, Natural History Museum curator Margo Green, and a host of returning characters involved in a new investigation spurred by the discovery of the decaptiated remains of a New York socialite and a sharp increase in the decapitation rate among the city's underground homeless.

Determined to prove her conspiracy theorist father's beliefs about lost Cold War technology, Gillian, her skeptical brother, and their friends journey to the ruins of a vast doomsday bunker before they are confronted by dangerous adversaries.

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.

12-year old Ama and the other Underlanders living in a world of darkness dig for brine, the City's real energy source. Underland is a dangerous place: cave-ins, starvation and illness are constant threats. When their leader deserts them, Ama goes looking for him and stumbles on two Citizens. Neither knew the other existed. 18-year old Sari lives in the City, blissfully unaware of what goes on beneath her feet. The disappearance of her best friend,...

"Having escaped to the Unknown Regions, Lina and the others seek help from the village people of Sparks"--Title verso page.

"Zachary Ezra Rawlins is a graduate student in Vermont when he discovers a rare book hidden in the stacks. As he turns the pages, entranced by tales of lovelorn prisoners, key collectors, and nameless acolytes, he reads something strange: a story from his own childhood. Bewildered by this inexplicable book and desperate to make sense of how his own life came to be recorded, Zachary uncovers a series of clues -- a bee, a key, and a sword -- that lead...

"The gaslight and shadows of the underground city of Recoletta hide secrets and lies. When Inspector Liesl Malone investigates the murder of a renowned historian, she finds herself stonewalled by the all-powerful Directorate of Preservation - Recoletta's top-secret historical research facility. When a second high-profile murder threatens the very fabric of city society, Malone and her rookie partner Rafe Sundar must tread carefully, lest they fall...