| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Computer Communications Security: Principles, Standard Protocols and Techniques | 978-0-13-799453-3 | 1993 | |
| Fun on Foot in America's Cities | 978-0-9765244-0-3 | 2005 | Nola Ford |
| Fun on Foot in New England | 978-0-9765244-1-0 | 2007 | " |
| Secure Electronic Commerce: Building the Infrastructure for Digital Signatures and Encryption | 978-0-13-027276-8 | 2000 | Michael S. Baum |
| Secure Electronic Commerce: Building the Infrastructure for Digital Signatures and Encryption | 978-0-13-476342-2 | 1997 | " |