The product is a textbook titled "Hara Diagnosis: Reflections on the Sea" by authors Stephen Birch and Kiiko Matsumoto. It falls under the subject area of religion and spirituality, with a publication year of 1993 by Paradigm Publications. The book is in English language, features illustrations and a dust jacket, and has a total of 484 pages. This advanced level textbook is suitable for adult and further education levels, offering insights and reflections on the sea in the context of spirituality and religion.