Book excerpt: Harada treks to the far reaches of Glacier National Park to document its iconic wild animal, the mountain goat. Harada has spent the last eighteen years studying and photographing these agile creatures, capturing rare and awe-inspiring images in each of Glacier's spectacular seasons. Experience the dramas that play out on the Park's knife-edge peaks among the Mountain Goats of Glacier National Park. Biologist and writer Kathleen Yale lends her sensitive and insightful writing to the book, detailing the fascinating behaviors of these unique animals, from the bliss of spring to the challenges of winter.