And now it can be told:
Strange Chemistry are thrilled to announce a two book deal with Gwenda Bond, concluded between Amanda Rutter and Jennifer Laughran, of the Andrea Brown Literary Agency, Inc. The first book, Blackwood, will be one of the imprint’s September 2012 launch titles, with the second following in 2013.
More info at the Strange Chemistry website. You could say I'm over the moon.
ETA: YOU GUYS, I am overwhelmed by all the congratulatory notes. Each and every one makes me tear up. You are all the best.
See also: io9's great round-up of the first THREE announced Strange Chemistry books; so excited to be in such good company. SQUEE.