Translations
2008
Linux (2nd French edition, Pearson Education)
2007
MySQL 5 Kompletní pruvodce (Czech edition, Computer Press)
PHP 5 a MySQL 5 - Pruvodce webového programátora (Czech edition, Computer Press)
2006
MySQL 5 Guida completa (Italien edition, apoge)
MySQL 5 (2nd Chinese edition, DrMaster)
Linux (Russian edition, Ozon)
Ubuntu 6.06 Dapper Drake (2nd French edition, CampusPress)
2005
Definitive Guide to MySQL 5 (3rd English edition, Apress)
MySQL 5 -- Guide de l'administrateur et du développeur (French edition, eyrolles)
Ubuntu Linux (French edition, CampusPress)
2004
Definitive Guide to MySQL (Chinese edition, DrMaster)
2003
Definitive Guide to Excel VBA (2nd English edition, Apress)
Definitive Guide to MySQL (2nd English edition, Apress)
2001
MySQL (English edition, Apress)
Visual Basic Database Programming (English edition, Addison Wesley)
2000
Linux - Installazione, configurazione e uso (Italian edition, Addison Wesley)
Definitive Guide to Excel VBA (English edition, Apress)
Linux - Installeren, configureren en aan de slag (Dutch edition, Pearson Education NL)
Linux - Instalowanie, konfigurowanie, używanie (Polisch edition, Translator s.c.)
1999
Linux - Installation, Configuration, Use (2nd English edition, Addison Wesley)
Linux - Installation, Configuration et Administration (French edition, Campus Press)
1997
Maple - Introduction and Reference (English edition, Addison Wesley) Linux - Installation, Configuration, Use (English edition, Addison Wesley)
A list of all German titles is here.