Halo 2: The Official Game Guide by Piggyback Interactive Ltd.

Assassin's Creed: Prima Official Game Guide - paperback Knight, David|Hodgso...

Halo 3: The Official Strategy Guide

Halo: Reach Signature Series Guide (Official Strategy Guides ( - VERY GOOD

Ninja Gaiden 2: Prima Official Game Guide (Prima Official Game Guides) - GOOD

Halo 2: The Official Game Guide

Ninja Gaiden 2: Prima Official Game Guide by Bryan Dawson

Assassin's Creed III - The Complete Official Guide by Piggyback