This work looks at the area of client/server computing. It contains elements that were featured in the first edition: cartoons, tables and over 250 diagrams. Soapboxes contain some strong opinions on controversial topics. Detail boxes give higher level coverage of selected technology topics. With 40per cent new material, the second edition focuses on: groupware products; GUI development tools: the data warehouse server battles and object wars; and client/server technology in relation to the Internet and electronic commerce.