Half-Life 2: Raising The Bar



Half-Life 2: Raising the Bar, written by Prima Temp Authors and David Hodgson. Published by Prima Games, HL2:RTB provides 288 pages of unrivaled behind the scenes access to Half-Life and Half-Life 2. It was released in November of 2004 in a hardback and paperback cover. It contains a forward written by Valve founder Gabe Newell. Along with the detailed development of the Source Engine, this book provides information and concept art. Although the book ran into some issues with certain customers who were let down by the lack of in depth details of the Source engine, this publication is officially approved by Valve.