Half Life 2 The Orange Box Prima's Official Strategy Guide by Prima Publishing

(Based on manufacturer's information)Labeled Maps: Detailed maps showing every pathway, all available equipment/weapons, every puzzle, and hidden item.
Multiplayer Strategy: Attack and defend strategies for every map, detailed strategy for each load-out, and tricks to dismantling the most difficult opponent.
Walkthroughs: Step-by-step strategies to defeating the toughest enemies and the most complicated puzzle.
Art Section: Art section dedicated to showcasing all of the beautiful artwork fans of the series have come to love.