JavaSpaces provides a shared virtual space that providers and requestors of objects can use to communicate in a distributed application. This guide explains the JavaSpaces architecture and where it fits within Jini 1.1 network technology. It walks through the process of installing Jini and JavaSpaces, presents methods for avoiding the corruption of data by using synchronization mechanisms, and addresses security issues. Annotation c. Book News, Inc., Portland, OR (booknews.com)