Book summary: Published in 1995, design patterns: elements of reusable object-oriented software has elicited a great deal of praise from the press and readers. The 23 patterns contained in the book have become an essential resource for anyone developing reusable software designs. In response to a great number of requests from readers of the book and from the object-oriented community as a whole, these designs patterns, along with the entire text of the book, are being made available on cd. This electronic version will enable students to install the patterns directly onto a computer and create an architecture for using and building reusable components. Produced in html format, the cd is heavily cross-referenced with numerous links to the online text [via]