Míreanna comhchosúla: Linux In a Nutshell
- Cathedral and the Bazaar: Musings on Linux and Open Source by an Accidental Revolutionary
- Producing open source software : how to run a successful free software project
- PostgreSQL : a comprehensive guide to building, programming, and administering PostgreSQL databases
- PHP 5 for dummies
- The Definitive Guide to MySQL 5
- Objective-C programming : the Big Nerd Ranch guide /