Pottermore announces "book two" to be "underway"!

New information was leaked online
only a few hours ago concerning the future
of Pottermore, especially when more "books"
will be added to the experience,
starting with the second Harry Potter book,
Harry Potter and the Chamber of Secrets.

Question.  When will Harry Potter and the Chamber of Secrets
be added to Pottermore?

Answer: We're currently working on book two, Harry Potter and the Chamber of Secrets
and it’s looking great. We’ll give you more information over the coming weeks, 
so keep an eye on the Insider and @Pottermore for the latest details. 

One thing to note is that the Pottermore staff said that
more information about Chamber of Secrets coming to Pottermore
will begin to be revealed "over the coming weeks."

This would indicate that Chamber of Secrets may not take too long
to make its premiere appearance on Pottermore after all.