"For many moons, a tribe of cats has lived peacefully near the top of a mountain. But prey is scarce and seasons are harsh--and their leader fears they will not survive. When a mysterious vision reveals a land filled with food and water, a group of brave young cats sets off in search of a better home. But great dangers await them. In this unfamiliar world, faced with loners and fierce rogues all vying for territory and power, the traveling cats must...

Traces the story of a boy who moves across the country to rural northern California, where his efforts to adjust are challenged by a fast-moving firestorm that places family homes and lives at risk.

Reveals how Thomas and WICKED built the Maze against the backdrop of an apocalyptic world. The forests burned, the lakes and rivers dried up, and the oceans swelled. Then came a plague. Families died, violence reigned, and man killed man. Next came WICKED, who were looking for an answer. And then they found the perfect boy: Thomas, who built a maze. Now there are secrets. There are lies. And there are loyalties history could never have foreseen.

Although separated by continents and decades, Josef, a Jewish boy living in 1930s Nazi Germany; Isabel, a Cuban girl trying to escape the riots and unrest plaguing her country in 1994; and Mahmoud, a Syrian boy in 2015 whose homeland is torn apart by violence and destruction, embark on harrowing journeys in search of refuge, discovering shocking connections that tie their stories together.

Struggling to unite the Wild and Leashed Packs for mutual safety after a violent attack, Lucky is cast out by a ruthless Alpha and encounters treacherous elements in the forest and ruined city, which is rapidly enveloped by a poisonous black cloud.

After Lucky and Alpha reach an uneasy peace, the newly united Pack sets off to find a safe home far from the Fierce Dog camp and encounter another group of canine survivors who prove to be dangerous adversaries.

"No one in the bustling city of Pompeii worries when the ground trembles beneath their feet. The beast under the mountain Vesuvius, high above the city, wakes up angry sometimes--and always goes back to sleep, but Marcus is afraid. He knows something is terribly wrong--and his father, who trusts science more than mythical beasts, agrees. when Vesuvius explodes into a cloud of fiery ash and rocks fall from the sky like rain, will they have time to...

For eleven year-old Hugo Ballard, flying on the Hindenburg is a dream come true. Hugo, his parents, and his four-year-old sister Gertie, are making the thrilling four thousand mile journey across the Atlantic in a zeppelin as big as the Titanic. But as the zeppelin gets ready to land, a blast rocks the Hindenburg and fire consumes the ship. The entire disaster lasts a mere thirty-two seconds, but in those few seconds, Hugo finds himself separated...

Sam's peaceful existence in his wilderness home is disrupted when his sister runs away and his pet falcon is confiscated by a conservation officer.