Baen Books is an American publishing company established in 1983 by SF publishing industry long-timer Jim Baen (1943–2006). It is a science fiction and fantasy publishing house that emphasizes space opera, hard science fiction, military science fiction, and fantasy (though it does not restrict itself to these subgenres).

Several of Harry Turtledove's works have been published by Baen, including The War Between the Provinces.

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