
The Obsidian Chamber: Audiobook
Book 20 of the Sam Reilly series
According to The Books Insider's catalog data, The Obsidian Chamber runs 7.9 hours as an unabridged audiobook, narrated by David Gilmore (about 5.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 7.9 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 16 days |
| 1 hour / day | 8 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 6 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 7.9 hours, it is shorter than 63% of the 13,042 Suspense audiobooks in our catalog.
Catching up on Sam Reilly
This is book 20. Books 1 to 19 run 178.3 hours before it; books 1 to 39 run 369.6 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Last Airship | 9.8 hrs |
| 2 | The Mahogany Ship | 7.6 hrs |
| 3 | Atlantis Stolen | 9.1 hrs |
| 4 | Rogue Wave | 9.1 hrs |
| 5 | The Cassidy Project | 9.8 hrs |
| 6 | The Nostradamus Equation | 14.1 hrs |
| 7 | The Third Temple | 10.3 hrs |
| 8 | The Aleutian Portal | 8.2 hrs |
| 9 | Code to Extinction | 9.6 hrs |
| 10 | The Ironclad Covenant | 10 hrs |
| 11 | The Heisenberg Legacy | 7.5 hrs |
| 12 | Omega Deep | 9.7 hrs |
More narrated by David Gilmore
David Gilmore narrates 51 unabridged audiobooks in our catalog, 765 hours in all.
About as long, on the Suspense shelf
2,265 Suspense audiobooks in our catalog run within 10% of this length. The most popular on the store:
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
The Obsidian Chamber is book 20 of Christopher Cartwright's Sam Reilly series: a 7.9-hour unabridged recording, read by David Gilmore, released March 17, 2020, on the Suspense and Espionage shelves.
The listen at a glance
- Length
- 7.9 hrs
- Narrated by
- David Gilmore
- Released
- March 17, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Suspense, Espionage, Action & Adventure (Fiction)
- Series
- Sam Reilly #20
- ISBN
- 9781667006604
How to listen to The Obsidian Chamber free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is The Obsidian Chamber as an audiobook?
The Obsidian Chamber runs 7.9 hours unabridged. At 1.5× speed that drops to roughly 5.2 hours.
Is The Obsidian Chamber free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Obsidian Chamber?
The Obsidian Chamber is narrated by David Gilmore.