JK will be releasing never seen before writing to all fans from December 12th, the snippets will be posted on her website Pottermore.
A new snippet will be posted onto the website everyday at 1pm from December the 12th until the 23rd.
Not much is known about the new material, with the site promising “wonderful writing by JK Rowling in Moments from Half-Blood Prince, shiny gold Galleons and even a new potion or two”.
Fans will be expected to solve a riddle each day in order to read the new snippet.
JK Rowling previously posted a new short story on the website earlier this year for Halloween.
Last month, it was revealed that Rowling had completed work on the script for Fantastic Beasts and Where to Find Them, and that the Harry Potter spinoff will begin shooting in 2015.