The series is published through Orbit Books and was initially signed for three books, which was later extended to five and then eight.
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She is published by Snapping Turtle Books worldwide, in addition to some titles through Voyager Books in Australia, Tor and Random House in the United States, Orbit in the UK, AST in Russia, Heyne and Egmont in Germany and Luitingh Fantasy in The Netherlands.
Original publisher Orbit Books did not want to publish a ninth book, and Millar's agent could not come to an agreement regarding rights of a future Thraxas title with Baen Books.