Books by Jacek Artymiak
Beginning OpenOffice calc
OpenOffice.org Calc functions and formulas tips
deNoizr. Productivity Booster for the Common Man
The RadioBSD Crier : 2007/01
Firewall Warrior
Firewall Warrior
Building firewalls with OpenBSD and PF
Install, configure, and customize Slackware Linux
StarOffice for Linux bible