This book clearly explains the theory and practice of snowboarding. - Title: The Intelligent Snowboarding - Author: Akimei Fujii - Series: The Science of Snowboarding - Contents: Part II Equipment & Waxing, Part III Tricks & Free Run I am selling this because I have switched to skiing. There are many illustrations and photos, making it easy to understand. It is packed with useful information for beginners to advanced riders. I think it will help you understand turns and equipment to improve your skills!! Thank you for looking.