“The Last Ranger” is a novel by Peter Heller, the best-selling author of “The River”. The story is set in Yellowstone National Park and revolves around a park ranger named Ren¹².

Ren is tasked with duties both mundane and thrilling: breaking up fights at campgrounds, saving tourists from moose attacks, and attempting to broker an uneasy peace between the wealthy vacationers who tromp around with cameras and the locals who want to carve out a meaningful living amid this western landscape¹².