The Book People have the 8 book collection of True Blood for £8.99. But if you add the new True Blood book Dead and Gone they knock off an extra quid making it £12 for the lot. Use code IS001 for an extra 10% off and code FREEWED for free delivery, saving you another £3.95. Works out at only £10.80 for all 9 books, bargain!
Plus if you go through Quidco thats an extra 6% off making it roughly £10.15 (thanks Firemountain!)