The length of Mistborn: Secret History varies depending on the format:
- Paperback: 416 pages
- Audiobook: Approximately 10 hours and 30 minutes
Mistborn: Secret History is a prequel novella that explores the events leading up to the events of the original Mistborn trilogy. It tells the story of Kelsier, the main character from the original trilogy, and his early life as a thief and rebel.
