Cheapest I've seen it...
Or £8.99 delivered on Xbox 360 (New) http://www.gamestation.co.uk/gs/assassins-creed-ii-38730?searchTerm=Assassins%20Creed%20Brotherhood
Truth is Written in Blood
Renaissance Italy is a place of nobility and intrigue, but also decadence and murder in Assassin's Creed II. When nobleman Ezio Auditore da Firenze's family is betrayed, you must avenge them by turning assassin. From the rooftops of the city's palazzos to the stinking underworld, no one is safe from your approach. Climb where you want, hide among crowds and strike when least expected. With a massive variety of missions, new weapons to master and new skills to learn, Assassin's Creed II improves on every element of the original – offering a vast, free-roaming world. It's a historical Grand Theft Auto!