Dan Cahill must determine whether Sinead Starling, a former friend who betrayed his family, is behind a plot to control a deadly virus or is trying to stop it from getting out.

Twelve-year-old Jack may be the Imagine Nation's only hope of fending off a new Rustov attack, with the help of his fellow superheroes-in-training, but the virus he carries, and Jonas's suspicions, provide new complications.

Twelve-year-old Kester Jaynes, who has been locked away at a school for troubled children, is called upon to save the last animals living in a post-apocalyptic world where disease has killed most living things.

"Mark struggles to make sense of his new, post-disaster world in this prequel to The Maze Runner"--

Twelve-year-old Elyse has a rare genetic disorder which makes the words other people say about her appear on her body.

Thirteen-year-old Sik wants a simple life going to school and helping at his parents' deli in the evenings. But all that is blown to smithereens when Nergal comes looking for him, thinking that Sik holds the secret to eternal life.Turns out Sik is immortal but doesn't know it, and that's about to get him and the entire city into deep, deep trouble. Sik's not in this alone. He's got Belet, the adopted daughter of Ishtar, the goddess of love and war,...

When a strange rain falls bearing a fatal, contagious disease, Ruby finds herself alone with the only drinkable water quickly running out.

Two friends, Liam and Alaina, embark on a journey to unravel the mystery of Liam's mysterious illness, drawing upon their knowledge of fairy tales and employing Alaina's own experience with an invisible adversary, type 1 diabetes, as they navigate a world of curses and magical solutions to save Liam.

A rambunctious puppy finds a home at the Ronald McDonald House, a place that houses sick children and their families while they undergo treatment.

Amidst the anticipation of Mr. B and Aunt Penny's wedding, the Vanderbeekers' lives take an unexpected turn as Laney receives a dire diagnosis, leading them to the hospital where, despite their own challenges, they form a bond with a critically ill new friend in need of their support.