Mission 4: Hammerhead: Audiobook
Book 4 of the Mars Diaries series
According to The Books Insider's catalog data, the Mission 4: Hammerhead audiobook runs 2.4 hours unabridged, narrated by Adam Verner (about 1.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 2.4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 5 days |
| 1 hour / day | 3 days |
| 2 hours / day | 2 days |
| 1 hour / day at 1.5× | 2 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 2.4 hours, it is shorter than 72% of the 7,923 Mystery & Fantasy audiobooks in our catalog.
Catching up on Mars Diaries
This is book 4. Books 1 to 3 run 6.5 hours before it; books 1 to 4 run 8.8 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Mission 1: Oxygen Level Zero | 2.3 hrs |
| 2 | Mission 2: Alien Pursuit | 2.1 hrs |
| 3 | Mission 3: Time Bomb | 2.1 hrs |
| 4 | Mission 4: Hammerhead | 2.4 hrs |
More narrated by Adam Verner
Adam Verner narrates 591 unabridged audiobooks in our catalog, 4,882 hours in all.
About as long, on the Mystery & Fantasy shelf
302 Mystery & Fantasy audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Revenge of the Living Dummy (Goosebumps HorrorLand #1)
- The Little Prince: Michael Morpurgo’s translation of the beloved story from the stars
- Frozen
- Escape From HorrorLand (Goosebumps HorrorLand #11)
- Werewolf of Fever Swamp (Classic Goosebumps #11)
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
Mission 4: Hammerhead is book 4 of Sigmund Brouwer's Mars Diaries series: a 2.4-hour unabridged recording, read by Adam Verner, released November 17, 2020, on the Mystery & Fantasy shelf.
The listen at a glance
- Length
- 2.4 hrs
- Narrated by
- Adam Verner
- Released
- November 17, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery & Fantasy
- Series
- Mars Diaries #4
- ISBN
- 9781645552215
How to listen to Mission 4: Hammerhead 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 Mission 4: Hammerhead audiobook?
Mission 4: Hammerhead runs 2.4 hours unabridged. At 1.5× speed that drops to roughly 1.6 hours.
Is the Mission 4: Hammerhead audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Mission 4: Hammerhead?
Mission 4: Hammerhead is narrated by Adam Verner.