This is a 21 volume set. The books are in Very Good to Like New condition - clean without any notes or noticeable wear. This is the best possible way to do it if you really want to read the broad scope of maritime history for your own pleasure!

　　The books are170 pages each, with lots of images. A lot of books consist of a comprehensive schematic of an example ship, and some of the schematics are fold-outs.

　　Some of the books consisted of: The Frigates, Fighting Sail, The Armada, The Racing Yachts, The U-Boats, The Luxury Yachts, Ancient Mariners, Pacific Navigators, Vikings and The Great Liners.