Come along on a rollicking thrill-ride down the Amazon with wisecracking skipper Frank Wolff and intrepid researcher Dr. Lily Houghton. Lily travels from London, England to the Amazon jungle and enlists Frank's questionable services to guide her downriver on La Quila, his ramshackle-but-charming boat. Lily is determined to uncover an ancient tree with unparalleled healing abilities, possessing the power to change the future of medicine. Thrust on...

Left stranded in the Amazon jungle when their plane crashes on their way back to England from Manaus, Brazil, four children struggle to survive for days until one of them finds a map that leads them to a ruined city and a secret hidden among the vines.

Famed inventor Henry "Hank" Witherspoon has gone missing, and it's up to Jack and his brilliant siblings, Ava and Matt, to find him. At Hank's ransacked lab, the siblings discover clues to the project he's been working on-a new way to generate and store electricity, inspired by the electric eels of the Amazon. The kids travel deep into the Amazon jungle, following a series of clues Hank has left. Relying on genius, cunning, and new technology,...

"Meet Jack and Max Stalwart, Code Names: Courage and Wisdom. Jack and Max are ordinary kids who become secret agents by night, thwarting evil and saving priceless treasures as they solve mysteries around the world. Destination: Brazil. Secret agents Jack and Max Stalwart are sent to the Amazon jungle to investigate the disappearance of an important Global Protection Force scientist. Soon, they discover that the scientist's disappearance is no accident....

"Pia has grown up in a secret laboratory hidden deep in the Amazon rain forest. She was raised by a team of scientists who have created her to be the start of a new immortal race. But on the night of her seventeenth birthday, Pia discovers a hole in the electric fence that surrounds her sterile home--and sneaks outside the compound for the first time in her life. Free in the jungle, Pia meets Eio, a boy from a nearby village. Together, they embark...

When twins Otis and Cody Carson, their father Hayden, cousin Rae Lee, and family friend Maxim go to the Amazon jungle of Brazil, they uncover a smuggling ring trafficking in endangered animals.

"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...