Kit, Zander, and M. K. West are settling into their new lives as students at the Academy for the Exploratory Sciences when Kit finds another mysterious map left for him by their father, the brilliant, famous--and presumed dead--explorer Alexander West. Why did Alexander leave the maps behind, and why are government agents so determined to seize them? What is really going on in a mysterious and unknown stretch of the Caribbean, famous for its violent...

The three Igiby siblings, heirs to a legendary kingdom across the sea, find refuge from the Fangs of Dang in the Green Hollows, but Kalmar's monstrous appearance raises suspicion.

The fugitive: Mark James tries to track down Sarah Hart, evade the Mogadorians and the FBI, and discover the identity of the mysterious blogger he knows only as GUARD. The navigator: The truth about the crew of the two Loric spaceships who escaped to Earth is revealed and readers discover what happened to the pilots after they arrived and parted ways with the Garde. The guard: The hacker who has been aiding the Lorien survivors from the shadows...

"It's been barely a day since Edwy arrived home from the mysterious Fredtown and met his parents for the first time. And already he finds himself snatched away again--this time to a place called Refuge City. There, nobody seems to care what happens to him. And he's still not allowed to ask questions. Alone and confused, Edwy seeks out other children brought back from the Freds. he soon discovers that both the Freds and his real family have secrets,...

"When her father is killed by the notorious Rose Riders for a mysterious journal that reveals the secret location of a gold mine, eighteen-year-old Kate Thompson disguises herself as a boy and takes to the gritty plains looking for answers--and justice"--

After escaping the Black Hook Gang in 1860 New York City, twelve-year-old twins Alexander and Cleopatra flee to New Orleans, become separated, and try to find each other in San Francisco, while being followed by pirates who think they hold the key to treasure.

Superspy middle schoolers Ben and Erica must embark on mission to rescue Erica's grandfather, who was abducted from a remote Alaskan training facility.

T'Challa, as the Black Panther and warrior King of Wakanda, must team up with elite members of the Dora Milaje--Wakanda's special forces--and C.I.A. agent Everett K. Ross to defend his kingdom in this epic junior novel based on the upcoming film Marvel's Black Panther.

Fifteen-year-old Claire Ryan has always felt invisible, always lived beyond people's notice, which causes trouble when she instantly connects with seventeen-year-old Nix, who really can become invisible and has been sent to assassinate her.

An anthology of historical fiction and fantasy short stories features a diverse array of daring heroines making their way in often-hostile lands, using every weapon in their arsenals to face down everything from murderers to marriage proposals.