If you have a particular interest in myth, fairy tale, and folklore - which can be a rich foundation for all kinds of writing - here are some resources for you.
ONLINE RESOURCES
SCHOLARLY BOOKS
Aurelia, Carol Mavor
Critical and Creative Perspectives on Fairy Tales, Vanessa Joosen
Fairy Tales and the Art of Subversion, Jack Zipes
From the Beast to the Blonde, Marina Warner
Once Upon a Time, Marina Warner
Stories About Stories, Brian Attebury
The Fairy Tale as Art Form and Portrait of Man, Max Luthi
The Hard Facts of the Grimms’ Fairy Tales, Maria Tatar
The Interpretation of Fairy Tales, Marie-Louise Von Franz
The Irresistible Fairy Tale: The Cultural and Social History of a Genre, Jack Zipes
Troublesome Things: A History of Fairies and Fairy Stories, Diane Purkiss
CONTEMPORARY RETELLINGS
Among Others, Jo Walton
Bitter Greens, Kate Forsyth
Confessions of an Ugly Stepsister, Gregory Maguire
Deathless, Catherine M. Valente
Foxfire, Wolfskin, Sharon Blackie
Kissing the Witch: Old Tales in New Skins, Emma Donoghue
My Mother She Killed Me, My Father He Ate Me: Forty New Fairy Tales, Kate Bernheimer
Pretty Monsters, Kelly Link
Snow White, Red Blood, Ellen Datlow and Terri Windling
Some Kind of Fairy Tale, Graham Joyce
Spindle’s End, Robin McKinley
The Bear and the Nightingale, Katherine Arden
The Bloody Chamber, Angela Carter
Uprooted, Naomi Novik