After the eruption of the Yellowstone supervolcano destroys his city and its surroundings, fifteen-year-old Alex must journey from Cedar Falls, Iowa, to Illinois to find his parents and sister, trying to survive in a transformed landscape and a new society in which all the old rules of living have vanished.

Thinking they are in for a boring Alaskan vacation, Noah and Emma Burton find themselves dodging lava and running for their lives when a formerly dormant volcano erupts.

Ranger, the time-traveling golden retriever, has landed in Viking age Iceland, where he meets a girl named Helga, who seems perfectly able to take care of herself--until an erupting volcano and an early arriving baby forces Ranger and Helga to journey through the ash and smoke to find her father and bring him home.

Emmy the dragon is maturing and growing too large--and bored--for her quarters, but when she disappears her Keepers, cousins Jesse and Daisy, follow her trail to the Fiery Realm in hopes of bringing her home.

"Pompeii was a lively resort flourishing in the shadow of Mount Vesuvius at the height of the Roman Empire. When Vesuvius erupted in an explosion of flame and ash, the entire town would be destroyed. Some of its citizens died in the chaos, some escaped the mountain's wrath ... and these are their stories: A boy loses his innocence in Pompeii's flourishing streets. An heiress dreads her wedding day, not knowing it will be swallowed by fire. An ex-legionary...

"A woman walks alone at the foot of Mount Sengoku. A man appears, saying he's been waiting for her, and invites her to a nearby village. Surprisingly, the village is covered in hairlike volcanic glass fibers, and all of it shines a bright gold. At night, when the villagers perform their custom of gazing up at the starry sky, countless unidentified flying objects come raining down on them--the opening act for the terror about to occur!'"-- book jacket...

Thirteen-year-old Clay, a boy who no longer believes in magic, tags graffiti on his classroom wall and, as punishment, is sent to a camp for wayward kids located on a volcanic island, where eccentric campmates abound, a ghost walks among the abandoned ruins of a mansion, and a dangerous force threatens to erupt with bad magic.