You can check it out at http://www.georgerrmartin.com/wc-s.html
SUICIDE KINGS will be published at the end of the year. This is the concluding volume of the Committee triad. Besides Ian T, the writers are Caroline Spector, Melinda M. Snodgrass, S.L. Farrell, Daniel Abraham, and Victor W. Milan. Featured viewpoint characters will be Rustbelt, the Amazing Bubbles, Double Helix, Gardener, Bugsy, and the Radical, but the rest of the gang will be on hand as well.