'Before WICKED was formed, before the Glade was built, before Thomas entered the Maze, sun flares hit the earth and mankind fell to disease. Mark and Trina were there when it happened, and they survived. But surviving the sun flares was easy compared to what came next. Now a disease of rage and lunacy races across the eastern United States, and there's something suspicious about its origin. Worse yet, it's mutating, and all evidence suggests that...

"It's been four years since a meteor hit Perdido Beach and everyone disappeared. Everyone, except the kids trapped in the FAYZ-an invisible dome that was created by an alien virus. Inside the FAYZ, animals began to mutate and teens developed dangerous powers. The terrifying new world was plagued with hunger, lies, and fear of the unknown. Now the dome is gone and meteors are hitting earth with an even deadlier virus. Humans will mutate into monsters...

Rory Rooney likes to be prepared for anything, but when he inexplicably turns green and finds himself in an experimental hospital ward with his nemesis, school bully Tommy-Lee "Grim" Komissky, everyone is baffled but Rory believes he and Grim have become superheroes.

The world inside an infected Colorado high school quarantined by the government takes a startling turn for the worse when a new gang enters the school and starts gaining power.

London is a ruin, destroyed by German bombs, ravaged by the Horologia virus, and ruled by the ruthless Captain Hanz Otto Oswald Kretschmer, whose Marauders search for and seize the children who are immune to the virus in the hope that their blood will produce a cure--their latest victim is sixteen-year-old Gwen Darling's younger sister and Gwen will do anything to get her back, even join up with Pete and his gang of Lost Boys living in a city hidden...

"Tory and her comrades must track a new pack of rogue Virals who have brought on the attention of a shadowy government organization intent on learning the secret to their powers"--

Bella, Gwen, and the Lost Boys have escaped to Alnwick Castle, but it is not the safe haven they hoped it would be, for the "cure" for the Horologia virus has mutated into something even worse--so the Duchess Alyssa and Maddox Hadder set out searching for the virus's origin, an extinct poisonous apple, supposedly from a tree at the center of a labyrinth hidden deep within Germany and guarded by monsters.

Twelve-year-old Jack, freed from a dismal orphanage, makes his way to the elusive and impossible Imagine Nation, where a mentor saves him from dissection and trains him to use his superpower, despite the virus he carries that makes him a threat.

"Brian and his friends are not part of the cool crowd. They're the misfits, the troublemakers--the ones who jump their high school's electrified fence to skip school regularly. So when the virus breaks out, they're the only ones with a chance of surviving"--

Beyond the Titan wall lies the Feral Zone, and the only people who break quarantine and venture there are the "fetches", who are paid exorbitant sums to bring back items that were left behind when the wall went up--but Delaney McEvoy's father is there and she is being forced to find him and bring him back.