| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Don't Read This Book: 13 Forbidden Tales from the Mad City | 978-1-61317-012-0 | 2013 | Rich Dansky · Will Hindmarch · Mur Lafferty · Stephen Blackmoore · Harry Connolly · Josh Roby · Laura Anne Gilman |
| Firefly Echoes of War: Thrillin' Heroics | 978-1-931567-28-2 | 2014 | Margaret Weis · Nicole Wakelin · Andrew Peregrine |
| Firefly Encyclopedia | 978-1-78565-529-6 | 2018 | |
| Firefly: The Gorramn Shiniest Dictionary and Phrasebook in the 'Verse | 978-1-78329-861-7 | 2016 | |
Evil Hat Productions, LLC · Margaret Weis Productions · Titan Books