The product is a set of two paperback auction sale catalogues from July/August 2000 by Sotheby's in London & Gleneagles Hotel. These catalogues cover art history and sales, providing valuable information and insights into the art market during that period. The English language books offer a comprehensive look at the various artefacts and items being sold at the events, making them a valuable resource for collectors, art enthusiasts, and auction-goers interested in the works being presented.