Finalist, Best Novel, 2021

The Relentless Moon

Mary Robinette Kowal (opens in a new tab)

Hardcover, 544 pages

As Earth's climate worsens, a former socialite and spy works to stop a saboteur at the Moon colony.

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The ballot

Network EffectMartha WellsTor.comWinner
The City We BecameN.K. JemisinOrbitRunner-up
PiranesiSusanna ClarkeBloomsbury
Black SunRebecca RoanhorseGallery / Saga Press / Solaris
Harrow The NinthTamsyn MuirTor.com