The “61 Illustrated National Parks: Expanded 2019 Edition” is a textbook authored by Nathan Anderson, focusing on the subject areas of nature and art. This hardcover book features 176 pages filled with 61 illustrated national parks, with 40 new illustrations added in the expanded edition. It is designed for adult education and further learning, with a general subject focus and illustrations throughout. The publication is in English and published by Anderson, making it a valuable resource for those interested in nature and art through the lens of national parks.