A really good price, given that it's around £40 everywhere else, and the second hand version is even cheaper at £24.99.
In the near future technology is developed that allows one's state of mind and personality traits to be quickly quantified and profiled.
All emotion, desire, and social disease are documented and managed by the government for the public good. The quality of each person’s life is measured by a single number. That number, which represents how close the mind and soul are to perfection, is known as the Psycho-Pass.