Left 4 Dead 2 Prima Official eGuide is a digital web access strategy guide and includes:

• Step-by-step walkthrough of each campaign with expert strategies to eliminate the infected
• Detailed maps to get you and the other survivors to your objectives, along with locations of ammo caches and first aid kits
• Extensive coverage of additional Co-Operative and Versus campaigns
• Breakdown of movement, ranged weapons, melee and healing  This guide covers the following platforms: Xbox 360, PC