This is a complete set of Encyclopedia Britannica, published by Encyclopædia Britannica, Inc. in 1967. The 23 hardcover volumes cover a wide range of topics, making it a valuable reference for students, researchers, and collectors. The pages are illustrated, making the reading experience more enjoyable. This set is printed in English and was manufactured in the United States. It is an antiquarian and collectible item that belongs in the category of Books & Magazines.