"The Back of the Napkin" by Dan Roam is a 2008 expanded edition business book focusing on visual thinking techniques for business management. Published by Portfolio Hardcover, the book offers insights on how to effectively communicate and understand complex concepts through visual representations. With a compact size of 7.4 inches in length and 7.32 inches in height, this hardcover book is a valuable addition to any business bookshelf, weighing only 1.15 pounds. Written in English and featuring engaging graphics, this book is perfect for anyone looking to enhance their understanding of business strategies and principles.