In a dark future, when North America has split into two warring nations, fifteen-year-old Day--a famous criminal, and prodigy June--the brilliant soldier hired to capture him, discover that they have a common enemy.

"In a world where people are implanted with technology to recode their DNA, gene-hacking genius Cat must decrypt her late father's message concealing a vaccine to a horrifying plague"--

As the plague decimates London in 1665 and an assassin threatens the apothecary's life, apprentice Christopher Rowe and his faithful friend Tom, following a trail of puzzles, riddles, and secrets, risk their lives to untangle the heart of a dark conspiracy.

"A deadly plague has struck Olympus and is slowly aging and killing the Olympians. Emily can only stand by and watch as those she loves fade and die. But in one last desperate attempt to save those she loves, she journeys back to Earth to face the CRU, then back in time to confront Cronus, leader of the Titans and father of the gods"--

As plague ravages the overcrowded Earth, observed by a ruthless lunar people, Cinder, a gifted mechanic and cyborg, becomes involved with handsome Prince Kai and must uncover secrets about her past in order to protect the world in this futuristic take on the Cinderella story.

Bryn, Ari, and their dragon Lilja discover a sick baby gyrpuff and join the rest of the Seekers in trying to determine if a dreadful plague has returned--and if human forces brought it back.

"Thomas Fawkes is turning to stone, and the only cure to the Stone Plague is to join his father's plot to assassinate the king of England."-- Keepers think the Igniters caused the Stone Plague; Igniters think the Keepers did it. But all Thomas knows is that it's spreading, and if he doesn't do something soon, he'll be a lifeless statue. So when his Keeper father, Guy Fawkes, invites him to join the Gunpowder Plot and blow up the Igniter King-- claiming...

"Sophisticated robot Abel must save teenaged soldier Noemi from capture on a hidden planet, while outwitting armies of deranged service robots and securing medical aid for a plague on Noemi's home world"-- Shunned after a trip through the galaxy with Abel, the most advanced cybernetic man ever created, Noemi Vidal dreams of traveling through the stars one more time. When a deadly plague arrives on Genesis, Noemi is the only soldier to have ever left...

Teens June, a military prodigy born into wealth, and Day, a criminal from the slums, are brought together and face plague, war, and a powerful, common enemy.

Princess Sepora of Serubel and King Tarik of Theoria have formed an uneasy truce, but when traitors with powerful allies threaten, they must learn to trust if they, and their kingdoms, are to survive.