Bloomsbury Original United Kingdom publisher of the ‘Harry Potter’ books. Bloomsbury announce Triwizard-themed ‘Harry Potter’ Book Night for 2020 The Triwizard Tournament will be the theme for next February’s ‘Harry Potter’ Book Night. Bloomsbury to auction Patronus postcards to celebrate ‘Azkaban’ 20th anniversary Original postcards of Patronus animals drawn by famous artists will be auctioned in aid of BookTrust. Browse all articles →