"Avatar Yangchen has succeeded in bringing a measure of stability to Bin-Er, but her successes have been limited to a single city, and rumors concerning Unanimity--a weapon capable of total obliteration--have led to increasing tensions among the Four Nations. Desperate to restore diplomacy, Yangchen attempts to de-escalate hostilities between heads of state. But in the wake of a brutal assassination and the freeing of Unanimity, Yangchen is forced...

At long last, the Great Herd is united against Titan -- now so powerful that even Fearless, who vowed to avenge his father's death, cannot defeat the rogue lion alone. Thorn may have a plan to bring about Titan's downfall, but the animals of Bravelands must decide how much they are willing to risk--and who they are willing to lose. "With the balance of Bravelands at a breaking point, the Great Herd must risk everything to unite against their common...

With SPYDER apparently defeated, thirteen-year-old Benjamin Ripley is hoping for some peace at spy school, but when the CIA conference room next to where Ben and Alexander are trying to explain everything to Ben's parents (no easy task) is blown up, suspicion falls on fellow trainee (and secret crush) Erica.

Learning magic is no easy thing, even for young Claudia. Despite a bit of help from a book of spells created by Kpp'Ar, her father's former mentor, it's all she can do to keep things from blowing up in her face--often with spectacularly messy results. But a spell book isn't the only thing that Kpp'Ar left behind when he suddenly and mysteriously vanished. In his wake stands the Puzzle House, a bizarre tower full of magical traps, tricks, contraptions,...

"Egypt is struck by a series of terrible plagues that cripple the Kingdom, and then the ultimate disaster follows. The Nile fails. The waters that nourish and sustain the land dry up. Something catastrophic is taking place in the distant and totally unexplored depths of Africa from where the mighty river springs. In desperation Pharoah sends for Taita, the only man who might be able to win through to the source of the Nile and discover the cause of...

Fire. Ice. Flood. Three climate disasters. Four kids fighting for their lives. Akira is riding her horse in the California woods when a wildfire sparks--and grows scarily fast. How can she make it to safety when there are flames everywhere? Owen and his best friend, George, are used to seeing polar bears on the snowy Canadian tundra. But when one bear gets way too close for comfort, do the boys have any chance of surviving? Natalie hunkers down...