2007 - Half Life 2 Mods for Dummies [For Dummies Computers] (Paperback) ISBN-13: 9780470096314 ISBN-10: 0470096314 Genre: Computers & Technology ? 2006 - Quake 4 Mods for Dummies [For Dummies Computer/Tech] (Paperback) ISBN-13: 9780470037461 ISBN-10: 0470037466 Genre: Computers & Technology ? |