The war of the ember is the last Guardians of Ga'hoole book. It has already been released and it is the last book in the series.
the series finished two months ago when the 15 book came out unless they have another guide book.
The book that will be coming out next is Skyclan's Destiny. It will come out ion June 1st.
There will not be another Harry Potter book.
in 2011
The next Warriors book (The Fourth Apprentice) is scheduled to be released on November 24, 2009.
The Scarpetta Factor will be released on October 20, 2009.
No information on the 6th book has been released yet.
Once you've explored all the moments in the previous book, the next one should unlock. If you've finished a book and the next one isn't unlocked, then it probably hasn't been released.
The only book left to be released on Pottermore is Harry Potter and the Deathly Hallows. A release date is currently unknown.
the next book is night whispers and then sign of the moon and then the last hope but the last hope hasnt been released yet and it is being released in march 2012
No, you just can't move onto the next book until they've released it.
As of October 26, 2009, this has not been released.