To date, I have written or been involved with the following books:

Migrating Applications to IPv6, published by O’Reilly Books in June 2011	Seven Deadliest Unified Communications Attacks, published by Syngress in April 2010	Linux for Windows Administrators, co-author with Mark Minasi, published by Sybex in November 2002
Linux for Windows NT/2000 Administrators: The Secret Decoder Ring, co-author with Mark Minasi, published by Sybex in September 2000	Networking Essentials Exam Guide, Second Edition, published by QUE in November 1999.	Networking Essentials Exam Guide, published by QUE in June 1997.

Additionally I have contributed to other books on such topics as TCP/IP, Microsoft
Exchange Server and Zope. I am open to writing other books – if you are seeking an author, please contact me.

(Full disclosure: Most of the links above are affiliate links for Amazon.com – if you buy a book via those links I will receive a tiny bit of money from Amazon.)