The “American Presidency: 9th Edition” by Sidney M. Milkis and Michael Nelson is a comprehensive reference book focusing on the origins and development of the American presidency from 1776 to 2021. Published by SAGE Publications, Incorporated, this trade paperback features 632 pages and is written in English. With a size of 9 inches in length, 6.1 inches in width, and 0.8 inches in height, this book covers a wide range of topics in political science, making it a valuable resource for students and scholars interested in American government.