The product is a hardcover book titled "St. Basil The Letters IV" by Roy J Deferrari, published by Harvard University Press in 1934. It is an original edition and includes both Greek and English language text. The book was printed in Great Britain and is a valuable collectible for those interested in letters and religious texts. The publication of this book in 1934 adds historical significance and makes it a sought-after item for scholars and collectors alike.