The Xbox 360 Limited Collector's Edition includes an exclusive Bonus DVD and exclusive Hardcover Art Book. The DVD includes a series of "Making Of" Call of Duty 4: Modern Warfare vignettes that explore how the game was created from four perspectives - Research, Technology, Story and Multiplayer. The DVD also includes a documentary of the British S.A.S. The documentary explores everything from how the S.A.S. was born to its role in WWII and Desert Storm. Rounding out the Limited Collector's Edition Bonus DVD is a level walk-through by developer Infinity Ward, as well as some of the campaign's best trailers. All in all, the DVD contains nearly 4 hours of content! In addition to the Bonus DVD, the Xbox 360 Limited Collector's Edition also includes an exclusive Hardcover Art Book. Narrated by Infinity Ward's developers and artists, the Art Book features never-before-seen concept, development and final in-game artwork, as told from the unique perspective of the team that has won two consecutive "Game of the Year" awards.