JKR website- is the door in the mirror opening?

[coolbeans3131]

> Scratch that, the door is open and I do not know what to make of 
it. 
> Any ideas?
> 
> Jo (again)

I don't know.  Could that really be the title?  Wasn't that a cast 
off title from another book?  Would she go back to that, instead of 
coming up with a better one?  And, it doesn't say book 6 or "the new 
title is".  I think she's messing with us.

Joj