The first time Camilla saw a caterpillar, she mistook the creature for a more fantastical apparition: a dragon wearing sunglasses.

The climate crisis receives much coverage these days, mostly focused on extreme weather, sea level rise, and dislocation of people by climate-related stresses like drought and wildfire. Declining polar ice and its impact on polar bears gets some coverage, bringing the Arctic into the story, but few of us understand the scope of the impact climate change is having above the Arctic Circle or why we should be concerned about what is happening up there.

In the late 1970s, wolf biologist Diane K. Boyd tracked a lone female wolf named Kishinena in country around the North Fork of the Flathead River in Montana. As Doug Chadwick writes in his Foreward to this book, most people think wolves were first introduced in the mid-1990s in Yellowstone National Park, but by that time Diane and her colleagues had been studying them on the North Fork country, in Glacier National Park and surroundings, for well over a decade.

A Walk in the Park is a marvelous adventure story well told, but also a serious treatment of many issues facing Grand Canyon and other national parks.