* *Anacapa Passage* (2010)
* *The Book Smugglers* (2015)
* *Three Lights* (2018)
* *The Bone Horse* (2020)
Short stories
* "The River Maiden" (2012)
* "The Mermaid and the Crow" (2013)
* "The Selkie's Song" (2014)
* "The Unicorn's Horn" (2015)
* "The Dragon's Heart" (2016)
* "The Phoenix's Feather" (2017)
* "The Griffin's Claw" (2018)
* "The Chimera's Tail" (2019)
Nonfiction
* *A Dictionary of Greek Mythology* (2014)
* *A Guide to the Underworld* (2016)
* *A History of Magic and Witchcraft* (2018)