Accompanied by an eccentric, human-sized rat, Liza embarks on a perilous quest through an underground realm to save her brother Patrick, whose soul has been stolen by the evilest of creatures--the spider-like spindlers.

"Deep within the dangerous Thickety, Kara and her brother, Taff, must figure out who and what to trust in order to escape and stop the evil Sordyr"--

Eleven-year-old Gregor and his younger sister, Boots, return to the Underworld beneath New York City to find the cure for a terrible plague that threatens the life of their mother, as well as the lives of the people, bats, and rats who populate the underworld.

"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...

"In a new pounding adventure, Jake races against time to outfight and outwit Kalverum Rex, knowing that if the skull king wins, he'll be unstoppable. Filled with unexpected danger, challenging puzzles, and dazzling action, this is a first-rate, fast-paced thriller" --Publisher.

Thirteen-year-old Dan Cahill and his older sister, Amy, are running out of time. An exiled Cahill known as the Outcast has already recreated three of history's worst disasters, and he's saved the worst for last. If Dan and Amy can't find and stop the Outcast fast, he will initiate a full-scale nuclear meltdown. But as Dan and Amy race around the world, they discover something horrifying. The Outcast's disasters are only a smokescreen to cover up his...

Devastated by loss and hampered by a civil war in the Land of the Dragons, Fifer and Simber struggle to lead the rest of their team in a seemingly hopeless search for Fifer's twin. Meanwhile, Thisbe, pounded by images of Grimere's dark history and her growing feelings of abandonment, considers leaving Rohan behind in a desperate gamble that could lead her home...or to her death. Back in Artim, chaos reigns. A new mage steps up to restore the magical...

When a set of priceless paintings by Leonardo da Vinci and Rembrandt go missing in Russia, the Kidd siblings head to St. Petersburg and the wild Arctic tundra to find the bad guys and locate the treasure.

"In the dazzling conclusion to the Greystone Secrets series from New York Times bestselling author Margaret Peterson Haddix, the Greystones and their doubles, the Gustanos, must team up to save the alternate world--before both worlds are lost. All secrets are revealed in this page-turning, suspenseful story that shows the importance of teamwork, telling your story, and taking action when it matters most." --

"The bard is captured by the bonedancers and taken to their temple where he has to retell the tale that earned him a contract on his life. The story of Podkin continues . . . The Gorm have started to attack the forest, trying to flush out the Darkhollow rabbits. Podkin and the others leave for Sparrowfast warren, on the other side of the forest, to ask his uncle for help and for the use of his magic bow (one of the 12 Gifts). As they make their way...