The product is a hardback book titled "Your 15th Club: The Inner Secret to Great Golf" by Dr. Bob Rotella, published by Simon & Schuster Ltd in 2008. The book is written in English and focuses on the topic of golf. Dr. Bob Rotella is an artist and author known for his expertise in the field of golf psychology. This book is likely to provide insights and strategies for improving one's golf game through techniques for enhancing mental focus and performance on the course.