Grail Protocol: Audiobook
Book 1 of the Grail Protocol series
According to The Books Insider's catalog data, the Grail Protocol audiobook runs 10.2 hours unabridged, narrated by Melissa Kay Benson (about 6.8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 10.2 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 21 days |
| 1 hour / day | 11 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 7 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 10.2 hours, it runs longer than 62% of the 13,269 Science Fiction audiobooks in our catalog.
More narrated by Melissa Kay Benson
Melissa Kay Benson narrates 23 unabridged audiobooks in our catalog, 177 hours in all.
About as long, on the Science Fiction shelf
2,144 Science Fiction audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Dark Matter
- Star Wars: The Old Republic - Legends: Revan
- Star Wars Legends: Darth Bane Trilogy: Rule of Two
- Star Wars Legends: Darth Bane Trilogy: Dynasty of Evil
- Star Wars: The Old Republic - Legends: Deceived
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
Grail Protocol is book 1 of Douglas W. Jones's Grail Protocol series: a 10.2-hour unabridged recording, read by Melissa Kay Benson, released July 8, 2024, on the Action & Adventure (Fiction) and Science Fiction shelves.
The listen at a glance
- Length
- 10.2 hrs
- Narrated by
- Melissa Kay Benson
- Released
- July 8, 2024
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Action & Adventure (Fiction), Science Fiction
- Series
- The Grail Protocol #1
- ISBN
- 9798882252549
How to listen to Grail Protocol 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 Grail Protocol audiobook?
Grail Protocol runs 10.2 hours unabridged. At 1.5× speed that drops to roughly 6.8 hours.
Is the Grail Protocol audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Grail Protocol?
Grail Protocol is narrated by Melissa Kay Benson.
Is Grail Protocol worth listening to at 1.5× speed?
At 1.5× you'd finish in about 6.8 hours, saving 3.4 hours.