The Fossil 2: Secrets of Mars, Book 2: Audiobook
Book 2 of the Secrets of Mars series
According to The Books Insider's catalog data, The Fossil 2: Secrets of Mars, Book 2 runs 13.8 hours as an unabridged audiobook, narrated by Jonathan Davis (about 9.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 13.8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 28 days |
| 1 hour / day | 14 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 10 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 13.8 hours, it runs longer than 84% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on Secrets of Mars
This is book 2. Book 1 runs 14.2 hours before it; books 1 to 2 run 28 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Fossil: Secrets of Mars, Book 1 | 14.2 hrs |
| 2 | The Fossil 2: Secrets of Mars, Book 2 | 13.8 hrs |
More narrated by Jonathan Davis
Jonathan Davis narrates 325 unabridged audiobooks in our catalog, 3,651 hours in all.
About as long, on the Science Fiction shelf
1,417 Science Fiction 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 Fossil 2: Secrets of Mars, Book 2 is book 2 of Joshua T. Calvert's Secrets of Mars series: a 13.8-hour unabridged recording, read by Jonathan Davis, released October 19, 2021, on the Science Fiction shelf.
The listen at a glance
- Length
- 13.8 hrs
- Narrated by
- Jonathan Davis
- Released
- October 19, 2021
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction
- Series
- Secrets of Mars #2
- ISBN
- 9781039404298
How to listen to The Fossil 2: Secrets of Mars, Book 2 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 Fossil 2: Secrets of Mars, Book 2 as an audiobook?
The Fossil 2: Secrets of Mars, Book 2 runs 13.8 hours unabridged. At 1.5× speed that drops to roughly 9.2 hours.
Is The Fossil 2: Secrets of Mars, Book 2 free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Fossil 2: Secrets of Mars, Book 2?
The Fossil 2: Secrets of Mars, Book 2 is narrated by Jonathan Davis.
Is The Fossil 2: Secrets of Mars, Book 2 worth listening to at 1.5× speed?
At 1.5× you'd finish in about 9.2 hours, saving 4.6 hours.