"Eleanor and her friends have shut down the mysterious Concentrator in the Arctic, but their mission is far from over. The earth is still spinning out of its orbit and growing colder by the day. Their only chance to save the planet is to find the other Concentrators embedded around the world and deactivate them before it's too late. But doing so won't be easy. The Global Energy Trust has branded Eleanor, her mother, and their friends international...

When a lonely, eccentric old man decides to become a mad scientist and try "this Frankensteining business," two brothers, Jake and Derek, become unwitting participants in his experiments.

Relates the earliest adventures of the Incredible Hulk, based on the original comics, describing the life of Bruce Banner, from his shy childhood to his military career and the experiment that went wrong.

Traveling to Antarctica for a prestigious science competition, twelve-year-old Jack and his genius foster siblings, Ava and Matt, become caught up in a mystery involving a missing scientist.

Sent to explore a network of caves in India, Leah the biology expert and Cheng the geology expert soon discover there's more to this daring mission than meets the eye.

Jack, his genius siblings, and inventor Hank Witherspoon go to Hawaii and help technology billionaire Ashley Hawking find out who is sabotaging her revolutionary electric plant that harvests energy from the deep ocean. Includes facts about the deep ocean, the scientific process, and green power, as well as instructions for an experiment.

In 1888, twelve-year-old Will Henry chronicles his apprenticeship with Dr. Warthrop, a New England scientist who hunts and studies real-life monsters, as they discover and attempt to destroy a pod of Anthropophagi.

"Dr. Hank Witherspoon has disappeared. When Jack and his genius siblings, Ava and Matt, find Hank's lab ransacked, they uncover clues pointing them to Brazil--but many questions remain. Why was Hank studying dangerous electric eels? And who is trying to steal his inventions? Their investigation leads them to a soccer prodigy, his savvy sister, a business tycoon who zips around on motorized boots, and a strangely incompetent riverboat captain. In the...

An eleven-year-old, bored with her life, imagines a more exciting one as a secret agent, but when she spends the summer on her aunt's farm, her stories become reality as she stumbles onto a real spy ring.

"The spirit of Mawley Crackbone, a villain who once terrorized Grubbers Nubbin, has returned to the town to haunt Castle Grotteskew. Crackbone is convinced that Mad Professor Erasmus used his heart when he made Stitch Head--and now the evil ghost wants it back! He's looking for revenge on those who were responsible for his death, too, and won't rest until he has it. Features black-and-white gothic-inspired illustrations throughout. Join Stich Head...