This book is a valuable resource for anyone interested in security, networking, and online safety. With detailed advice from the renowned author Bruce Schneier, readers can learn how to protect their systems and data from various threats. The book is in trade paperback format and has 304 pages, making it a convenient and portable read. The publication name is “We Have Root: Even More Advice from Schneier on Security” and it was published in 2019 by Wiley & Sons, Incorporated, John. The book is written in English and is categorized under “Textbooks, Education & Reference” and “Textbooks”. The item dimensions are 8.8 inches in length, 5.8 inches in width, and 0.8 inches in height, with a weight of 14.4 ounces.