When the nature writer Richard Mahler discovers that wild jaguars are prowling a remote corner of his home state of New Mexico, he embarks on a determined quest to see in the flesh a big, beautiful cat that is the stuff of legend--yet verifiably real.

Mahler's passion sets in motion a years-long adventure through trackless deserts, steamy jungles, and malarial swamps, as well as a confounding immersion in centuries-old debates over how we should properly regard these powerful predators: as varmints or as icons, trophies or gods? He is drawn from border badlands south to Panama's rain...