Henry Carter Hull

With their father jailed for sinking a river boat, Noah Underwood and his younger sister, Abbey, must gather evidence that the owner of this floating casino is emptying his bilge tanks into the protected waters around their Florida Keys home.

Rob, who passes the time in his rural Florida community by wood carving, is drawn by his spunky but angry friend Sistine into a plan to free a caged tiger.

Nick and his friend Marta decide to investigate when a mysterious fire starts near a Florida wildlife preserve and an unpopular teacher goes missing.

Roy, who is new to his small Florida community, becomes involved in another boy's attempt to save a colony of burrowing owls from a proposed construction site.

The difficult star of the reality television show, "Expedition Survival," disappears on location in the Florida Everglades, where they were filming animals from the wildlife refuge run by Wahoo Crane's family, and Wahoo and classmate Tuna Gordon set out to find him, but they must avoid Tuna's gun-happy father.