British author JK Rowling will be releasing 12 new Harry Potter-based stories in the run-up to Christmas.

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The official website Pottermore.com said that every day starting on Friday, until Christmas Eve she will be publishing short stories based on fictional characters from the wildly popular franchise.

New information about Harry Potter’s arch enemy Draco Malfoy will be revealed in one of the festive stories, as well as potion recipes and the chance to win prizes by solving “rhyming riddles”.

A statement on the website reads: “With wonderful writing by JK Rowling in Moments from Half-Blood Prince, shiny gold Galleons and even a new potion or two, make sure you don’t miss out – just visit pottermore.com and answer our rhyming riddles to unwrap a #PottermoreChristmas surprise every day”.