Zero to One If you’ve never read The 21 Irrefutable Laws of Leadership, you’ve been missing out on one of the best-selling leadership books of all time. If you have read the original version, then you’ll love this new expanded and updated one. BUY NOW Product Details Hardcover: 224 pages Publisher: Crown Business; 1 edition (September 16, 2014) Language: English ISBN-10: 0804139296 ISBN-13: 978-0804139298 Product Dimensions: 5.7 x 0.9 x 8.5 inches