An excellent companion to the exclusive PS3 action game
It has all the details you need in order to enjoy it. It details both story and side missions, every powers and abilities in your possession and rates them based on their effectiveness, every blast shards and dead drop in each of the areas. Of course you should use this guide after you play a complete through once.
In short,you should purchase the guide if you want to enjoy playing the game to its fullest. Its AWESOME!!