For Alex, being left home alone for the weekend means the freedom to play his computer games and hang out with his friends without hassle from his mother. Then the Yellowstone supervolcano erupts, plunging his hometown into a nightmare of darkness, ash, and violence. Alex begins a harrowing trek to search for his family and finds help in Darla, a travel partner he meets along the way. Together they must find the strength and skills to survive and outlast an epic disaster.

After witnessing an act of domestic terrorism while training on his bike, Jake is found near death, with a serious head injury and an inability to remember the plane crash or the aftermath that landed him in the hospital. A terrorist leader’s teenage daughter, Betsy, is sent to kill Jake and eliminate him as a possible witness. When Jake’s mother blames his head injury for his tales of attempted murder, he has to rely on his girlfriend, Laurissa, to help him escape the killers and the law enforcement agents convinced Jake himself had a role in the crash.

Miranda's disbelief turns to fear in a split second when a meteor knocks the Moon closer to the Earth. How should her family prepare for the future when worldwide tsunamis wipe out the coasts, earthquakes rock the continents, and volcanic ash blocks out the sun?

In a secret facility called the Processor, Kress and her fellow Recruits are subjected to endless weapons training, violent puzzles, dangerous war games, deadly escape rooms, and impossible Virtual Reality simulations. In the end, they’ll get answers to questions they’ll wish they never asked.

Daphne survived a megaquake, escaped flood waters rushing through the city, and walked away from a horrific bus crash. With confirmation her family is alive and searching for her at a refugee facility, she's determined to reach them. But the facility isn't all it's cracked up to be, and Daphne will face her greatest obstacles yet in the fight to find her family.