Who this book is for This book is intended to be used by programmers who want to do the following: • Become familiar with the base functionality provided by VA Smalltalk. • Interface to other languages or write custom primitive operations. • Exchange data between applications in the style of a client/server architecture. • Develop international software. It is assumed that the reader has previous programming experience and a working knowledge of the following: • Object-oriented programming concepts • The Smalltalk programming language • The VA Smalltalk programming environment