"After the apocalyptic Omega, a group of orphaned teen boys learn of their dark fate and escape, joining forces with twin girls who have been imprisoned for the 'good of the republic.' In their plight for freedom, these young heroes must find the best in themselves to fight against the worst in their enemies"

"For Vega and her family, salmon is life. And Vega is learning to be a salmon finder, preparing for the day when she will be her family's matriarch. But then she and her brother Deneb are separated from their pod when a devastating earthquake and tsunami render the seascape unrecognizable. Vega must use every skill she has to lead her brother back to their family. The young orcas face a shark attack, hunger, the deep ocean, and polluted waters on...

"Fourteen escaped and found their way to a new territory, but Book, Hope, and Cat can't settle into their new free life knowing the rest of the Less thanks and Sisters are still imprisoned. Now the Teens must retrace their steps to save the others and destroy the compound. But the path back is filled with even more heart-pounding danger--as motives are questioned and relationships tested"--

"It is Earth year 2223, but the Earth, along with the entire solar system, is gone. Liam and Phoebe, having barely escaped with their lives, are in statis for the decade-long journey to the rogue planet Delphi, where they hope to meet up with the the rest of the human refugees. Phoebe, however, is carrying a secret that finds her waking up at various points in their journey, changing their path through space. A secret that will decide the fate of...

When the Twin Towers fall on September 11, 2001, blocks from her school, twelve-year-old Molly, unable to reach her dads or Gran, must find her seven-year-old sister, Adi, and get her safely home. Includes author's note, glossary, and discussion questions.

Tony and his twin sister Andie are four-wheeling in the woods near their family cabin, when they are caught in a violent thunderstorm--then the sky turns really dark, and they realize a monster tornado is on their tail, and suddenly they are not sure whether it is safer to keep running, or find some place to seek shelter.

Sixteen-year-old Maddie's camping trip with family and friends in a remote mountain location turns deadly as stories told around the campfire begin coming true.

"It is Earth year 2256--but the fate of the few who even remember Earth is perilously in doubt. Mina Saunders-Chang and many of the surviving humans are stranded in the Centauri system, having barely survived their confrontation with the Telphon refugees. Now everyone--human and Telphon alike--is caught in the blast zone of the Centauri supernova. And yet there's only one question Mina is asking: Where are Liam and Phoebe? Having barely made it through...

Four years after leaving the lost island of Tamarind, Maya, Simon, and Penny Nelson return to stop the Red Coral Project, a sinister group mining the magical mineral ophalla there and, in the process, ruining the magnificent island.

"A massive earthquake forces Amy and her estranged half-sister to work together to survive. Amy is happy it’s the last day of school…until a huge earthquake hits. She’s surprised that it’s Mara, her half-sister, who finally comes for her, since they hardly know each other. There’s no word from any of their parents, and their homes have been destroyed. So Amy and Mara set out on a perilous journey from their suburb into the city to search...