In a San Francisco hotel room the Secret Service man Gates warns Ned Nestor and Jimmie McGraw of the Wolf Patrol that spies are watching them. The chase carries the boys by airship over the Amazon country and into Paraguay, among rival flyers, a stranded enemy and bears in the forest.
A brisk early-aviation adventure from the Boy Scout series boom of the 1910s, for readers who like gadgets and jungle chases. Download the free EPUB.