Love in the Time of Global Warming by Francesca Lia Block (YA Apocalyptic)
The Dark Wife by Sarah Diemer (YA Fantasy)
The Song of Achilles by Madeline Miller (Fantasy)
About a Girl by Sarah McCarry (YA Speculative)
Outrun the Wind by Elizabeth Tammi (YA Fantasy)
Bonus: Rick Riordan’s The Heroes of Olympus series (MG Fantasy) features some major characters under the LGBTQ umbrella