The product is a vintage 1st edition hardcover book titled "Berlin Diary" by William L. Shirer, originally published in 1941 by Alfred A. Knopf. The book is written in English and falls under the subject of Military & War, specifically focusing on military topics. As an original edition, this antique collectible features special attributes such as being a Borzoi publication, making it a valuable addition to any historical or military book collection.