Trivia for the series in general:
- Word of God: Kitty interacts with the fanbase regularly, answers asks, and has posted a short story on her Tumblr page at http://quipquipquip.tumblr.com/. In addition, there are character dossiers posted at http://maillardets.tumblr.com/ which provide background information. She also has a Patreon page, filled with more short stories, previews, and spoilers, at http://www.patreon.com/theposterchildren/.
- Write What You Know: Maks' circus background is based on Kitty's own family history with the circus.