Guns Of The Dawn by Adrian Tchaikovsky

Set in a world reminiscent of the Napoleonic era, this gripping tale follows Emily Marshwic, a young woman thrust into the horrors of war when her country, Lascanne, drafts its women to fight against the neighboring Denlanders. As Emily navigates the brutal realities of the battlefield, she grapples with her own beliefs and the moral complexities of war. Amidst the chaos, she discovers unexpected camaraderie and courage, challenging her perceptions of duty, honor, and the true cost of conflict. The story weaves a rich tapestry of personal growth, societal expectations, and the indomitable spirit of those caught in the throes of war.