A spicy travelogue by a restless Englishman who found the project of checking the sources of the Amazon precisely to his taste. Mr. Brown figured that with the use of the airplane the sources could now he checked in one short period, thus giving a new and accurate account. He set out with his friend Snow, and from England to the Andes comments on people and places. Travel modes ranged from llama to plane, and the author- traveller tells of the peoples near the various sources he studied- the Apurimac, the Urubamba, etc. and of the ways of life and produce of the land there. Snow's trip down the Maranon was a special jaunt. The main part of the book is directed to armchair and would be explorers; the scientific findings are set forth in an appendix.