In “In Beaver World,” Enos A. Mills masterfully combines his profound observations of nature with an engaging narrative style, immersing readers in the intricate ecosystem of beavers. Mills' vivid descriptions and insightful reflections reflect both a scientific perspective and a deep reverence for these industrious animals. Set against the backdrop of the American wilderness in the early 20th century, the book presents a harmonious blend of natural history and anecdotal storytelling, inviting readers to explore the beavers' architectural prowess and their vital role in the environment. Enos A. Mills was a pioneering naturalist and a prominent advocate for wildlife conservation, often drawing from his extensive experiences in the Rockies. His love for nature and his observations while camping and studying wildlife deeply influenced his writing. Mills' passion for educating others about the importance of preserving these ecosystems culminated in this work, which serves not only as a tribute to beavers but also as a call to action for conservation. Readers seeking to deepen their appreciation for wildlife will find “In Beaver World” a captivating and enlightening journey through the life of beavers and their impact on the environment. This book is a must-read for those interested in ecology, conservation, and the intricate connections within nature.