“UK book chain Waterstones said more than 250,000 fans turned up at midnight to its shops across the UK. WH Smith said it had sold a total of 15 of the books per second at 400 of its shops since they opened just after midnight on Saturday. And supermarket chain Asda said it had sold 250,000 copies between midnight and 0900 BST, half of its entire Deathly Hallows stock.”