Pioneering feminist science fiction dealing with gender on a world where people assume a gender only to mate and those who are permanently one gender or another are seen as bizarre and disturbing.
Gooseberry Bluff Community College of Magic: The Thirteenth Rib by David J. Schwartz (one of the workshop presenters)
Alternate history of the world in which magic is the ruling force of power, not nuclear power. An investigator from the Magical Bureau of Investigations goes undercover as a professor at a community college of magic. Discussions of race, disability, gender, and queer sexuality. Author is a genderqueer local nebula-award-nominated writer.
Space opera/romance touching on polyamory, disability, race, class, sisterhood, and queer sexuality
Ancillary Justice/Ancillary Sword/Ancillary Mercy by Ann Leckie: Describes a far-future society from the POV of a person who perceives all gender as female by default, regardless of physical sexual characteristics
Ring of Swords AND A Woman of the Iron People by Eleanor Arnason
Elemental Logic series, by Laurie J. Marks
Fantasy quartet (Book 4 coming soon!) with multiple queer and non-monogamous relationships.
Swordspoint and Privilege of the Sword, by Ellen Kushner
Fantasy novels set in the mythical city of Riverside, centered around a pair of gay male characters.
One For Sorrow, by Christopher Barzak
Ghost story about a troubled bisexual teen, set in small-town Ohio.
Solitaire, by Kelley Eskridge
Near-future corporate techno-thriller with a lesbian protagonist.
Ammonite, Slow River, and Hild by Nicola Griffith
Two science fiction novels with lesbian protagonists, and one historical fiction novel with a subtly queer protagonist.
Anthologies
Fantasy & Science fiction addressing genderqueer and sexually fluid themes
Short Stories:
“And Salome Danced” and “Eye of the Storm” by Kelley Eskridge
“Love Might Be Too Strong a Word” by Charlie Jane Anders (available online at http://www.lightspeedmagazine.com/fiction/love-might-be-too-strong-a-word/)
A far-future comic short story in which there are several genders