Many visitors to Yellowstone National Park don’t realize that the boiling hot springs and spraying geysers are caused by an underlying supervolcano, so large that the caldera can only be seen by plane or satellite. And by some scientific measurements, it could be overdue for an eruption.

For Alex, being left alone for the weekend means having the freedom to play 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 seach 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.

Katniss is a 16-year-old girl living with her mother and younger sister in the poorest district of Panem, the remains of what used be North America. Long ago the districts waged war on the Capitol and were defeated. As part of the surrender terms, each district agreed to send one boy and one girl to appear in an annual televised event called, "The Hunger Games." The terrain, rules, and level of audience participation may change but one thing is constant: kill or be killed. When her sister is chosen by lottery, Katniss steps up to go in her place.​

Set in a futuristic dystopia where society is divided into five factions that each represent a different virtue, teenagers have to decide if they want to stay in their faction or switch to another - for the rest of their lives. Tris Prior makes a choice that surprises everyone. Then Tris and her fellow faction-members have to live through a highly competitive initiation process to live out the choice they have made. They must undergo extreme physical and intense psychological tests, that transform them all. But Tris has a secret that she is Divergent, which means she doesn't fit into any one group. If anyone knew, it would mean a certain death. As she discovers a growing conflict that threatens to unravel her seemingly peaceful society, this secret might help her save the people she loves... or it might destroy her.​