Saw a pile of about 100 of these big glossy strategy guides.
Can't go wrong for 98p for a bit of toilet reading to help improve your game.
"Play the sequel of the year Gears of War 2 taking on new characters, better weapons, nastier enemies in grander locations and win. With a bonus foldout and more! Gears of War 2 Signature Series Guide features a complete step-by-step walkthrough for single-player and co-op player campaigns keeping you ahead of the game. Find detailed maps revealing key locations, weapons, ammo and more and multi-player coverage with expert tips and tactics. Includes a complete list of Xbox achievements. Covers Xbox 360."