"The planet Kerenza is attacked, and Kady and Ezra find themselves on a space fleet fleeing the enemy, while their ship's artificial intelligence system and a deadly plague may be the end of them all"--

Eleven-year-old Gregor and his younger sister, Boots, return to the Underworld beneath New York City to find the cure for a terrible plague that threatens the life of their mother, as well as the lives of the people, bats, and rats who populate the underworld.

Kings become outcasts and lovers become foes in The Faithless Hawk, the thrilling sequel to Margaret Owen's The Merciful Crow. As the new chieftain of the Crows, Fie knows better than to expect a royal to keep his word. Still she's hopeful that Prince Jasimir will fulfill his oath to protect her fellow Crows. But then black smoke fills the sky, signaling the death of King Surimir and the beginning of Queen Rhusana's merciless bid for the throne. With...

"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"--

After a mysterious plague threatens Camelot, Calib and Cecily set off on a voyage to Avalon to find a cure and need to use magic and the help of friends to solve the mystery of the plague and return in time to save Camelot.

Forbidden from practicing magic and burdened by her responsibilities, Jin Zhara's life takes an unexpected turn when she becomes involved with the Guardians of Dawn, a group dedicated to fighting a demonic plague that is corrupting magicians. Magic is forbidden throughout the Morning Realms. Magicians are called abomination, and blamed for the plague of monsters that razed the land twenty years before. Jin Zhara already had enough to worry about--appease...

The people of fourteenth-century Florence, Italy, starving after years of bad weather and natural disasters, now face the Black Plague but twelve-year-old Maria is determined to survive. Includes historical note, glossary, and discussion questions.

"Cat is desperate to find a way to stop Cartaxus and the plague, but to do so, she'll have to face her most devastating enemy yet"--

"New to the ways of the Argosi, the tribe of wandering philosophers who seek to defeat evil by wit and guile, Ferius Parfax encounters a hideous plague - the Red Scream. Highly contagious, caught by the hearing of a deadly verse, it turns its victims into mindless monsters that destroy all human life they come into contact with. With the help of a deaf boy whom she has saved from two horrifying victims of the plague, she sets out to find the source...