The product is a pre-owned OS Explorer Map Sheet 192 covering Buckingham, Milton Keynes, Woburn, and Leighton Buzzard, published by Ordnance Survey in 1998. This folding map is a part of the Ordnance Survey series with a map scale of 1:25,000, providing detailed coverage of the region in England. The author is OS Ordnance Survey, and the map is in English language, making it a valuable resource for navigation and exploration of the area.