Waterstones Booksellers Limited, trading as Waterstones (formerly Waterstone's), is a British book retailer that operates 311 shops, mainly in the United Kingdom and also other nearby countries. As of February 2014, it employs around 3,500 staff in the UK and Europe. An average-sized Waterstones shop sells a range of approximately 30,000 individual books, as well as stationery and other related products. Established in 1982 by Tim Waterstone, after whom the company was named, the bookseller expanded rapidly until being sold in 1993 to WHSmith.
https://en.wikipedia.org/wiki/Waterstones