The true story of Theodore Roosevelt's harrowing 1914 exploration of one of the most dangerous rivers on earth, a black, uncharted tributary of the Amazon that snakes through one of the most treacherous jungles in the world. Indians armed with poison-tipped arrows haunt its shadows; piranhas glide through its waters; boulder-strewn rapids turn the river into a roiling cauldron. After his humiliating election defeat in 1912, Roosevelt set his sights...

"Cândido Rondon is by any measure the greatest tropical explorer in history. Between 1890 and 1930, he navigated scores of previously unmapped rivers, traversed untrodden mountain ranges, and hacked his way through jungles so inhospitable that even native peoples had avoided them--and led Theodore Roosevelt and his son, Kermit, on their celebrated "River of Doubt" journey in 1913-14. Upon leaving the Brazilian Army in 1930 with the rank of a two-star...

The author recounts his experiences traveling through the jungles of southwestern Venezuela, the home of jaguars, assassin bugs, piranha, and the violent Yanomami Indians.

"Follow along as a researcher observes and makes journal entries about their field trip through the Amazon rain forest ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit the world's largest tropical rain forest stretching across eight countries in South America. Simple graphs show how much the rain forest has changed, and the final report describes efforts being made to preserve it"--Provided by publisher.

Go undercover with a film crew on a perilous journey to the untouched wilderness of biodiversity in the Amazon rainforest. Meet some of the most incredible creatures, from agile pygmy marmosets and boisterous howler monkeys to solitary pumas and mesmerizing leaf-cutter ants, as the wild secrets of the jungle are revealed.