Cavalcade Wargames now have stock of the printed version of the ShadowSea rules.
From their website:
Our ShadowSea rulebook is now in stock. ShadowSea is a tactical miniatures game set in a lost underground realm. Powered by the Song of Blades rules by Ganesha Games, our Dragonblood line of models was created specifically for this ruleset. 06-page, perfect bound book, profusely illustrated, published by Antimatter Games.