The Fallout: New Vegas Prima Official Game Guide is a publication by Prima Games. It contains strategies, maps, and walk-throughs that a player may find useful while playing Fallout: New Vegas, as well as some additional background information about the setting and characters. The hardcover collector's edition includes 32 more pages which include concept art and background information from the developers at Obsidian Entertainment. Its main author is David S.J. Hodgson, who also authored the Fallout 3 Official Game Guide.