The game on its own costs $16.66, yet it you purchase it with the official strategy guide, it will set you back $11.66. May as well take advantage of it.
If you wanted to see a review of the game, here is one, courtesy of GameTrailers - http://www.gametrailers.com/video/review-r-u-s-e/704822
The offer will expire at 5:00 AM AEST, so you will have roughly 21 hours (from the time of posting) to grab this deal.
weird deal, but may consider getting it - thanks