A sweeping investigation of crime and corruption in the Amazon.

The Third Bank of the River maps the human territory of one of the world's last great frontiers—and a critical battleground for human rights and the future of our planet. Grounded in rigorous first-hand reporting and in-depth research, this is a portrait of Brazil and the Amazon that is complex, bloody, and often tragic.

A searing look at the toll violence is taking on residents of the Amazon.
— The New York Times Book Review
Arnold has crafted a thrilling page-turner while delving into topics that often bypass Brazil’s mainstream media...An important book for Americans looking to better understand the glorious and troubled nation to their south — in all its complexity.
— The San Francisco Chronicle
An eye-opening exploration of the Amazon rain forest’s underbelly...A dystopia of drug-dealing, illegal logging, violence, and corruption.
— National Geographic
Through exhaustive research and firsthand reporting, he reveals how drug lords, loggers, politicians, and tribe leaders have shaped the region, weaving together stories hundreds of years old and others he watched unfold...
— Men's Journal
Arnold handles all of the narrative strands expertly and shows a keen eye for detail... The reader leaves with a newfound understanding of the diversity, complexity, and corruption to be found in the modern Amazon.
— Publishers Weekly
Passionate, complicated...a striking picture of a country on the edge.
— The Santa Barbara News-Press
[Arnold] delves into today’s many dark layers operating around the Amazon: drug-dealing, illegal logging, and vast corruption.
— The Financial Times
“Arnold bravely explores deep into territory that most Americans won’t go. He produces a riveting, page-turning nonfiction account of crime and the ethical dilemmas of development in Brazil’s jungles.”
— The Missourian
An enlightening narrative that will forever change your perception of the Amazon.
— Shelf Awareness (Starred Review)
Like Claude Lévi-Strauss before him, Arnold traces the ongoing demise of Brazil´s indigenous peoples at the hands of the colonizers...remaining in our armchairs is no longer an option.
— Latin America Bureau
Arnold draws much-needed attention to crime without punishment in a remote―but not invisible―part of the world.
— Kirkus Reviews
Arnold’s research has been exemplary and courageous.
— Seattle Book Review
A wide-ranging panorama of this vast region in western Brazil, so full of both promise and suffering...Astonishing.
— BookPage
Arnold pulls few punches in this sobering account of the unfolding genocidal threat, adding another dark layer to the urgent story environmentalists are already telling about how the logging of rain forests is playing a drastically destructive role in climate change.
— Booklist