Set in an altered 1952, a devastating meteorite impact triggers a climate emergency that forces humanity to speed up plans for space colonization. The novel blends historical detail with speculative science to imagine how society, politics and technology respond under extreme pressure.

At the center is Elma York, a former WASP pilot turned mathematician who begins as a calculator for the new aerospace effort. As the program grows, Elma pushes against institutional and social limits to argue that women should not only compute the missions but fly them.

The story balances technical invention and social drama: it explores gender, duty, and the human costs of rapid technological change while keeping a focus on character and period atmosphere.

• Alternate-history space exploration
• Strong female protagonist and feminist themes
• Hard science grounding with historical setting
• Winner of major SF awards (Hugo, Nebula, Locus)

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