The Compendium, a 47-page paperback companion book, includes:
- John Gilead Palmer short story
- Character family trees
- 1912 map of Lexington
- Timeline of album's narrative and historical context
- Production credits
- Shape note score for "Thy Sword, Thy Shield"
Includes unlimited streaming of Constance via the free Bandcamp app, plus high-quality download in MP3, FLAC and more.