Jack, his genius siblings, and inventor Hank Witherspoon go to Hawaii and help technology billionaire Ashley Hawking find out who's 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.

"When Jack and his genius foster siblings, Ava and Matt, discover inventor Hank Witherspoon is missing, they travel deep into the Amazon jungle, overcoming strange creatures, a raging river, and some very clever foes to find their friend and protect his big idea."--Publisher.

Famed educator and celebrity Bill Nye takes readers on a scientific adventure/mystery in this exciting new series New York Times bestselling authors Bill Nye the Science Guy and Gregory Mone take middle-grade readers on a scientific adventure in the launch of an exciting new chapter book series, Jack and the Geniuses. The perfect combination to engage and entertain readers, the series features real-world science along with action and a mystery that...