[2] She originally planned to major in English at University of Georgia, but was "sidetracked by science" and obtained a bachelor's degrees in fisheries and statistics instead, and then received her master's in marine biology at the Great Lakes Institute for environmental research in Windsor, Ontario,[3] with the intention of solving the problem of overfishing.

She takes on the quest to get him back, enlisting the aid of the city's outcast supernatural defense force, called Spirit-Hunters.

[8] The protagonist Safiya, a truthwitch, along her best friend Iseult, a threadwitch who can sense the ties between other people, become caught up in a conspiracy between the empires.

They take on the aid of Prince Merik, an admiral with the power to control wind, in hopes of avoiding the danger coming between the empires, while trying to elude the search of Aeduan, a bloodwitch soldier trained as a monk.

[12] She also contributed to Because You Love to Hate Me, an anthology of short stories written by 13 YA authors who were paired with 13 BookTubers.

Dennard also runs a blog and newsletter called "Misfits & Daydreamers" offering tips for helping aspiring authors write novels, find agents, and earn publishing deals.

[14] On September 2, 2018, at Dragon Con panel attended by Dennard, it was announced that The Jim Henson Company would adapt the Witchlands series for television.