Liz Williams is a science fiction and fantasy writer living in Glastonbury, England, where she is codirector of a witchcraft supply business and where she and her partner Trevor ran the brick-and-mortar witchcraft shop described in their coauthored book for twenty years. The author of seventeen novels and over one hundred short stories, she has been published by Bantam Spectra and Night Shade Books in the US, and by Tor Macmillan in the UK. Liz teaches creative writing and has recently completed work on the Compendium of the Occult for Thames and Hudson, as well as a book on folklore for Reaktion Books. She also teaches magic.