The “Ecology: The Economy of Nature 7th Edition Paperback” authored by Robert Ricklefs and Rick Relyea is a comprehensive textbook focused on the subject area of science, specifically in the fields of life sciences and ecology. Published by Freeman & Company, W&H in 2013, this revised edition features 656 pages and covers a range of topics related to ecology and biology. With a trade paperback format and a size of 10.9 inches in length, 8.5 inches in width, and 0.9 inches in height, this book serves as a valuable resource for adult education and further education levels in the United States.