The product is a book titled "Todo sobre Sadhana" by Swami Dayananda Saraswati, published by Fundacion Arsha Vidya in 2017. It is a paperback book in Spanish language, measuring 140mm in length, 216mm in height, and 4mm in width. The book belongs to the genre of Philosophy & Spirituality and has an ISBN-10 number of 9872942404.