630 pgs (The Cinder Spires series #1)
Their technology is based on crystals, which are grown and used to provide electricity, power their weapons, and enable travel using impressive airships.
Captain Grimm is a privateer for Spire Albion, who sails his merchant airship Predator, ambushing airships from Spire Aurora, which is involved in a cold war with Spire Albion.
While transporting Gwendolyn Lancaster and Bridget Tagwynn, two young heiresses training to join the Spirearch guard, the Predator is ambushed by venomous creatures under the direction of Spire Aurora., and Captain Grimm soon finds himself and his crew in the middle of a cold war that just got much hotter.
This is the first book by Jim Butcher that I've read. I haven't read any of his Dresden Files series, which currently consists of more than a dozen books, and which I've been planning to eventually get around to. So I was excited to see he was starting a new series, one I could start reading at the same time he was writing it.
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