Greer Gilman was a Guest of Honor at Readercon 20. Her Cloud & Ashes: Three Winter’s Tales (Small Beer Press, 2009) won a 2010 Otherwise Award and was a Mythopoeic finalist. "Jack Daw's Pack," the first of the tales, was a 2000 Nebula novelette finalist; the second, "A Crowd of Bone," a 2003 World Fantasy novella winner. Unleaving completed the triptych. Her first mythic fantasy, Moonwise (Roc, 1991/Prime, 2005), itself a Tiptree and Mythopoeic finalist and a Crawford winner, was nominated by David G. Hartwell as the single novel most emblematic of Readercon.

Her metaphysical mysteries set in the theatre world of 1610s London—the Shirley Jackson Award-winning Cry Murder! In a Small Voice (Small Beer Press, 2013) and Exit, Pursued by a Bear (Small Beer Press, 2014)—featured in a Grolier Club exhibition on the history of fantastic literature in 2018.

"Down the Wall," a post-apocalyptic Cloudish story, first appeared in Salon Fantastique (Thunder’s Mouth Press, 2006). "Hieros Gamos" came out in An Alphabet of Embers (Stone Bird Press, 2016).

Her critical works include: her prefaces to Sylvia Townsend Warner’s Kingdoms of Elfin (Handheld Press, 2018) and Of Cats and Elfins (Handheld Press, 2020); her chapter on "The Languages of the Fantastic" in the Hugo finalist Cambridge Companion to Fantasy Literature (Cambridge University Press, 2012); and her essay, "Girl, Implicated," in the Journal of the Fantastic in the Arts 19.2 (2008). Two conversations with Michael Swanwick appeared in Foundation (Autumn 2001 and Spring 2009).

Gilman has also been a Guest of Honor at the International Conference on the Fantastic in the Arts (2008). She was a John W. Campbell finalist for 1992.

A retired Harvard librarian, she lives in Cambridge, Massachusetts. She likes to quip that she does everything James Joyce ever did, only backward and in high heels.