COULD IT BE~???

From WIKIPEDIA:

"As of 2008^[update], Gerrold is nearing completion on book five, A Method For Madness, announced date of delivery to publisher(Tor) in October; with estimated ^[2]release date of July 1, 2011(ISBN 0765340380)."

Clicked on the link and lo and behold!

I signed up to get notice when the book is available!

PS - remember we might get nice updated versions of the first 4 books around the same time.