There's no official announcement yet, but it's probably OK to tell you that the first hardcover edition to hit the market will be a signed limited from Subterranean Press in 2016. Other editions to follow.
I've been through the proofs, and the interior's a lovely piece of design in tune with the novel's 1913 setting.
The handbill in the sidebar isn't the actual cover. That's in hand, and I'll post something on it when I'm able.