If you’re hooked on Black Ops there’s now a Black Ops guide available for Windows Phone:

Get ahead of the game by having key information on the weapons, perks, and loadout of the game at your fingertips. Create your own class in the editor, and plot your career with the easy to use contracts and challenges pages. Also included is a map overview and strategy guide for ZOMBIES. Don’t delay!

It’s just $.99 and is available in the Marketplace.