Book 6 has already come out.
The next Warriors book (The Fourth Apprentice) is scheduled to be released on November 24, 2009.
Book 10 in the Ranger's Apprentice series comes out April 19th 2011.
The next book in the Warriors series after "The Fourth Apprentice" is "Fading Echoes." It is the second book in the Omen of the Stars series.
There has been no news on when the next book is coming out.
The next book, The Son Of Neptune, is coming out October 4th 2011.
ECCLESIATES..
The next Clique book is Boys "R" Us is coming out in July 7, 2009 Hope this helped :) :P
it will be on book shelves on monday.
So far the answer is no. The latest book the Emperor of Nihon-Ja *spoiler* Will and Alyss and Horace and Evanlyn are engaged to be married and apparently the next book and possibly last book 11 will be a collection of stories which answer questions not answered so far
The next book is called Sunrise. ^^
The book that will be coming out next is Skyclan's Destiny. It will come out ion June 1st.
It comes out on October 12th.