TSO (The Stationery Office) is a leading specialist publisher of professional and technical content with an impressive heritage and proven track record of delivery. TSO delivers high quality, trusted content that is tailored to user needs for business-critical outcomes. TSO combines publishing and technology capabilities to deliver quality content to professionals and organizations across the world. Established in 1996, when the trading functions of HMSO were privatized. TSO is a Government Procurement Service Supplier and a part of Williams Lea. Visit our online store www.tsoshop.co.uk