The product is a book titled "Anusara Yoga: A Weekend Workshop with John Friend" published in 1999 by Yoga Central Productions. The book is written in English and focuses on the topic of yoga. It likely includes information and guidance on practicing yoga, particularly in the Anusara style, as well as insights and teachings from John Friend. This book could be a valuable resource for yoga enthusiasts looking to deepen their practice and learn from an experienced teacher like John Friend.