For the sake of completeness, I'll mention my book, too: _Electronic Commerce: On-Line Ordering and Digital Money_ 1995, 282 pages, $35.95 (includes CD ROM) Charles River Media, Inc. 1 800 382-8505 ISBN # 1-886801-08-8 Excerpts (preface, Chapter 3, part of Chapter 6) are available at: http://www.loshin.com/ -Pete Loshin pete at loshin.com