Harry Potter keeps flying off shelves as Bloomsbury breaks records Retail Sarah J. Maas and the still-popular JK Rowling Harry Potter books are set to help publisher Bloomsbury beat expectations, it was announced this morning. In its results for the six months to 31 August, the publishing house told markets consumer revenue was up 47 per cent to £131.3m for the half year, up from £89.4m, [...]