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.

In a future where genetic engineering has cured humanity of all diseases and defects but has also produced a virus that kills all females by age twenty and all males by the age twenty-five, teenaged Rhine escapes her forced marriage and journeys back to New York to find her twin brother.

Living on a violent planet where everyone develops a unique power meant to shape the future, Akos and Cyra, youths from enemy nations, resent gifts that render them vulnerable to others' control before they become unlikely survival partners.

Sixteen-year-old midwife Gaia Stone is in the wasteland with nothing but her baby sister, a handful of supplies, and a rumor to guide her when she is captured by the people of Sylum, a dystopian society where she must follow a strict social code or never see her sister again.

"Until the day I met John Smith, Number Four, I'd been on the run alone, hiding and fighting to stay alive. Together, we are much more powerful. But it could only last so long before we had to separate to find the others.... I went to Spain to find Seven, and I found even more, including a tenth member of the Garde who escaped from Lorien alive. Ella is younger than the rest of us, but just as brave. Now we're looking for the others - including John....

In a dark future America that has devolved into unending civil wars, orphans Mahlia and Mouse barely escape the war-torn lands of the Drowned Cities, but their fragile safety is soon threatened and Mahlia will have to risk everything if she is to save Mouse, as he once saved her.

While at a resort on a vacation trip his uncle won, Zack begins wondering if his cousin has been telling the truth for years--that he really is an alien prince sent to Earth for protection, and who is now being chased by enemy aliens disguised as bald, fat men.

Through journal entries sixteen-year-old Miranda describes her family's struggle to survive after a meteor hits the moon, causing worldwide tsunamis, earthquakes, and volcanic eruptions.

In 23rd-century Great Britain, where climate change has caused vast flooding, the piratical raiders kidnap the Prime Minister's daughter and thirteen-year-old Lilly Melkun, an English fishergirl, takes her seacat on a daring rescue attempt, with a mysterious talking jewel from a past computer age tucked in her belt as ransom.

Ty discovers an entire township chained to a sunken submarine, its inhabitants condemned to an icy underwater grave. It's only the first clue to a mystery that has claimed hundreds of lives and stands to claim two more -- - lives very precious to Ty and his Topsider ally, Gemma.