When does the 9th sisters Grimm come out?

The 9th book in the series would probably come out on May 1st, 2011 because almost every year the books come out on that day (check the website), but we would already know the title of the next book during the middle of summer and since we don't know it yet... it may come later than that. Sorry, it's just a prediction.

Well, it turns out whoever wrote that was wrong because it's past May 1st, 2011. It was a good guess though. I was hoping it would come out then but it didn't. :( Anyway, Michael Buckley is making the 3rd NERDS book and it will come out on Sept. 1st (according to Amazon) so I think he probably can't make it right now and he might publish it May 1st 2012. It's just a guess.