Enos A. Mills' 'The Spell of the Rockies' is a captivating exploration of the natural beauty and awe-inspiring landscapes of the Rocky Mountains. Through poetic prose and vivid descriptions, Mills transports readers to the heart of this majestic wilderness, capturing the spirit of the mountains in a way that is both enchanting and enlightening. This book is a gem of nature writing, providing a deep and reverent appreciation for the wonders of the Rockies. It stands as a testament to the author's passion for conservation and his keen observation of the natural world. Mills' writing style is both informative and lyrical, combining scientific knowledge with a deep reverence for the environment. The book is a valuable contribution to the genre of American nature writing, setting a standard for future works in the field.