The Book of Yig: Revelations of the Serpent: A Cthulhu Mythos Anthology The Book of Yig: Revelations of the Serpent: A Cthulhu Mythos Anthology
David Hambling, Peter Rawlik
(April 6, 2021)

Genres: horror, anthology
Far Out : Recent Queer Science Fiction and Fantasy Far Out : Recent Queer Science Fiction and Fantasy
Paula Guran
(May 4, 2021)

Genres: science fiction, fantasy, anthology
Freehold Defiance Freehold Defiance (Freehold Universe)
Michael Z. Williamson
(May 4, 2021)

Genres: science fiction > military science fiction, anthology
We Shall Rise We Shall Rise (Black Tide Rising)
John Ringo, Gary Poole
(June 1, 2021)

Genres: science fiction, anthology
Joker Moon (Wild Cards, #29) Joker Moon (Wild Cards, #29)
George R. R. Martin
(July 6, 2021) - Avg rating 7/10 (ratings 1)

Genres: science fiction, anthology
The Best Science Fiction of the Year: Volume Six (The Best Science Fiction of the Year, #6) The Best Science Fiction of the Year: Volume Six (The Best Science Fiction of the Year, #6)
Neil Clarke
(July 6, 2021)

Genres: science fiction, anthology
Sword Stone Table: Old Legends, New Voices Sword Stone Table: Old Legends, New Voices
Swapna Krishna, Jenn Northington
(July 13, 2021)

Genres: fantasy, anthology
Tags: arthuriana
World Breakers World Breakers
Tony Daniel, Christopher Ruocchio
(August 3, 2021)

Genres: science fiction > military science fiction, anthology
The Year's Best Science Fiction, Volume 2: The Saga Anthology of Science Fiction 2021 (The Year's Best Science Fiction, #2) The Year's Best Science Fiction, Volume 2: The Saga Anthology of Science Fiction 2021 (The Year's Best Science Fiction, #2)
Jonathan Strahan
(September 14, 2021)

Genres: science fiction, anthology
When Things Get Dark When Things Get Dark
Ellen Datlow
(October 12, 2021)

Genres: horror, anthology
Dark Stars: New Tales of Darkest Horror Dark Stars: New Tales of Darkest Horror
John F. D. Taff
(November 2, 2021)

Genres: horror, anthology
Gunfight on Europa Station Gunfight on Europa Station
David Boop
(November 2, 2021)

Genres: science fiction, anthology