PotterMore announces release date for third Harry Potter "book"

Just earlier this morning, the PotterMore Insider
announced on its blog that PotterMore will be
undergoing a new update next Thrusday,
and uploading all-new content for fans to enjoy,
including the first few "chapters" of its third
interactive Harry Potter book adaption:
Harry Potter and the Prisoner of Azkaban.

This picture, (seen at top-left,) is a sneak peek at one of the upcoming chapters
from Prisoner of Azkaban, which is a reference to the chapter in which
Hagrid first starts teaching Care of Magical Creatures class,
and introduces his class to an array of unusual animals with even stranger abilities.

Here is the official announcement statement issued by PotterMore Insider:
"We can now officially confirm that you’ll be able to explore this Moment
in full for yourself from this Thursday, 20th December,
when the first chapters of Harry Potter and the Prisoner of Azkaban
will be released on Pottermore.com.
Look for the new update on Thursday, December 20th! Happy holidays!