A security breach at a secret U.S. government facility unleashes the monstrous product of a chilling military experiment that only six-year-old orphan Amy Harper Bellafonte can stop.

The great viral plague had left a small group of survivors clinging to life amidst a world transformed into a nightmare. Led by the mysterious, charismatic Amy, they go on the attack, leading an insurrection against the virals--the first offensives of the Second Viral War--infiltrating a dozen hives, each presided over by one of the original Twelve. Their secret weapon: Alicia, transformed at the end of book one into a half human, half viral--but...

A new gang of Virals, infected with an altered strain of supervirus calling themselves Trinity, rises to challenge Tory Brennan and the Morris Island gang for control of Charleston. Tory and her companions continue to investigate the experiment that scrambled their DNA, even as Trinity attacks them out of hiding in plain sight. Then, a secret government agency, trying to uncover the Virals' secrets, reveal the shocking truth about their cellular evolution....

Two hundred years after a supervolcano causes an ice age on Earth, making the planet uninhabitable, seventeen-year-old mechanic Stella Ainsley accepts a position as governess on the Rochester, a private space ship orbiting the moon, falls in love with the ship's reclusive captain, befriends the secretive crew, and uncovers a plot that threatens the most vulnerable populations of the fleet.

Every mother faces impossible choices. Vaccination is one of the hardest. For single mom Kate O'Hara, there was no decision to make. Her daughter, Rosie, is one of a small percentage of children who can't be vaccinated against measles. All Kate can do is hope that her little girl is safe.

"Gonzalo, now released from the high school quarantine, travels across a ravaged America looking for his beloved girlfriend Sasha"--

When an agribusiness facility producing genetically engineered food releases a deadly toxin into the environment, seventeen-year-old Tempest Torres becomes entangled in a war she never knew existed.

When a virus deadly to adults infects their high school, brothers David and Will and the other students soon break into gangs that fight each other for survival and the hope of escaping their quarantine.

"Set in a futuristic Manhattan after a catastrophic flood called the Wash Out, sixteen-year-old Ren must race against a conspiracy to find freshwater springs and a cure for the deadly disease that has stricken her sister and many others in the Ward"--

Sixteen-year-old old Kaelyn challenges her fears, finds a second chance at love, and fights to keep her family and friends safe as a deadly new virus devastates her island community.