Cover art
Kowal, Mary Robinette. The Calculating Stars. Tor 2018.

Kowal, Mary Robinette. The Lady Astronaut
Divergence: 1962 CE
What if: A large meteor struck Chesapeake Bay in 1952, destroying Wahington, D.C., and imperiling Earth's climate.
Comments: Series of two forthcoming novels, The Calculating Stars and The Fated Sky, as well as the published short story "The Lady Astronaut of Mars".

Kowal, Mary Robinette. The Calculating Stars
Divergence: 1962 CE
Series note: First volume of The Lady Astronaut.
Published: Not yet published; expected from Tor in July 2018 (0765378388BUY).

Kowal, Mary Robinette. The Fated Sky
Divergence: 1962 CE
Series note: Second volume of The Lady Astronaut.
Published: Not yet published; expected from Tor in August 2018 (076539894XBUY).

Kowal, Mary Robinette. "The Lady Astronaut of Mars"
Divergence: 1962 CE
Series note: A short story in the The Lady Astronaut series.
Published: In RIP-OFF! (audiobook, ed. Gardner Dozois), Audible.com 2012
— Posted on-line at Tor.com Sep. 11, 2013.
Web link: Tor.com