Kerstin Hall

Kerstin Hall is a South African science fiction and fantasy writer. Her works include Star Eater and Asunder.

Biography Hall attended Rhodes University and held a Mandela Rhodes scholarship for her MA at the University of Cape Town.

Hall has worked at several speculative fiction magazines. She was fiction editor for sub-Q and an editorial assistant for Beneath Ceaseless Skies, as well as submissions manager for Typecast. She published "Bombyx Mori" in 2017 with Strange Horizons.

Hall released her debut novella, The Border Keeper, in 2019. The main character, Vasethe, asks the border keeper of the underworld, Mkalis, to help him find his lover's soul. Katharine Coldiron, reviewing for Locus, described the work as "an addictive book, a sensuous and mesmerizing dip into a totally new realm of fantasy, but it's so confusing that its impressions linger much more effectively than its story or its meaning." Eric Brown recommended it for The Guardian for its world-building and emotion, Publishers Weekly praised the book's emotional journey but criticized the end's pacing. Hall later said that she wrote The Border Keeper as part of an open submission period to Tordotcom in 2016, and was surprised to be selected by the publisher. The Border Keeper was a finalist for a Nommo Award, which honors the best speculative fiction works created by African authors. Acolyte Elfreda Raughn is a member of a sisterhood who protects their city from monsters at the cost of magic inherited by ritualized cannibalism and forced procreation. Elfreda agrees to spy for a faction within the sisterhood in exchange for avoiding the gory renewal ceremonies, but is implicated in a murder and begins to uncover hidden stories. Liz Bourke, writing for Locus, praised the gruesome but intricate worldbuilding and how the relationships between characters supported optimism and change. She praised the book's examination of power and described the book as queer and subversive.

Hall released Second Spear, the sequel to The Border Keeper, in 2022. A new protagonist, Tyn, struggles with shame after having been suspended from her role as Second Spear. When her realm of Mkalis is attacked and its usual leader is missing, Tyn and the current Spears must handle the invasion themselves. Publishers Weekly praised the world-building but criticized some of the plot twists.

Asunder, published in 2024, is a novel whose protagonist, Karys Eska, sold her soul to become a Deathspeaker who could talk with the recently dead. She works as a detective studying suspicious deaths, but becomes haunted by a stranger in an accident. They journey together to find a cure before both die. Bourke praised the novel for Locus, describing it as "a thoughtful novel, complex and deep. It’s also a fast-paced, tense ride through a world that doesn’t hold back from glittering weirdness" Esmay Rosalyne described it as "the fantasy horror adventure of [her] darkest dreams" in a review for Grimdark. Asunder was a finalist for the Nebula and Locus awards. 2024

Nebula Award Novel 2025 Locus Award Fantasy Novel