A fourteen-year-old boy attempts to be the youngest person to reach the top of Mount Everest.

When the doors of the lift crank open, the only thing Thomas remembers is his first name. But he's not alone. He's surrounded by boys who welcome him to the Glade, a walled encampment at the centre of a bizarre and terrible stone maze ...

Eleven Boy Scouts, their leaders, and some new friends camping at Halape, Hawaii, in 1975, find their survival skills put to the test when a massive earthquake strikes, followed by a tsunami.

Bad luck continues to follow Tom Tin and his mates as they find themselves aboard a formerly abandoned ship, are taught to be sailors by two black-hearted castaways they rescue, and sail to a Caribbean island where they make important new friends and enemies.

A Maori boy in 1803 and a plane crash survivor marooned on a deserted island in 2003 experience interconnecting visions.

In 854, the bold fourteen-year-old daughter of a Viking chieftain, aided by her old and thin but equally intrepid horse and an ancient, one-eyed seer, must find a way to keep her clan together and save them from starvation.

Through journal entries sixteen-year-old Miranda describes her family's struggle to survive after a meteor hits the moon, causing worldwide tsunamis, earthquakes, and volcanic eruptions.

After a meteor hits the moon and sets off a series of horrific climate changes, seventeen-year-old Alex Morales must take care of his sisters alone in the chaos of New York City.

"Shade the young silverwing bat may be the runt of his colony, but he's determined to prove himself on the long, dangerous winter migration to Hibernaculum--millions of wingbeats to the south. Too soon, his hopes are dashed when a fierce storm catches Shade in its grasp. Driven far from the others by the unforgiving winds, Shade is left alone. On his journey back to his family, Shade meets other winged loners. Marina is a Brightwing bat with a strange...