The One Thing You Need to Know : ... about Great Managing, Great Leading, and Sustained Individual Success is a business and economics book written by Marcus Buckingham. Published by Free Press in 2005, this hardcover book has 304 pages and weighs 18.2 ounces. The book is in English and has dimensions of 9 inches in length, 6 inches in width, and 1 inch in height. The author discusses the topic of careers, personal success, and management in this book. It is a great read for anyone looking to improve their leadership skills. The One Thing You Need to Know : ... about Great Managing, Great Leading, and Sustained Individual Success is a must-have for business enthusiasts.