9.2 in

“Mastery” by Robert Greene is a self-help book published in 2013 by Penguin Publishing Group. It falls under the genres of self-help, business & economics, and focuses on personal growth and success. The book is written in English and includes illustrations. With a total of 368 pages, this trade paperback covers topics related to motivation and inspiration, making it a valuable resource for those looking to enhance their personal growth and development.