The Books Insiderindependent audiobook data
The Obsidian Chamber by Christopher Cartwright

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).

7.9listening hrs
Suspensestore shelf
2020released
Free for new listeners

The instrument When will you finish it?

Based on 7.9 hours of listening.

Days to finish The Obsidian Chamber at common listening paces
Your paceYou'll finish in
30 min / day16 days
1 hour / day8 days
2 hours / day4 days
1 hour / day at 1.5×6 days

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.

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.

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Questions 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.