Against Impassable Barriers: Audiobook
Book 4 of the Travels of Scout Shannon series
According to The Books Insider's catalog data, the Against Impassable Barriers audiobook runs 6.9 hours unabridged, narrated by Tia Rider (about 4.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.9 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 14 days |
| 1 hour / day | 7 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 5 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 6.9 hours, it is shorter than 77% of the 2,721 Space Opera audiobooks in our catalog.
Catching up on The Travels of Scout Shannon
This is book 4. Books 1 to 3 run 19.4 hours before it; books 1 to 6 run 40 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Under Falling Skies | 6.5 hrs |
| 2 | In Quaking Hills | 6.4 hrs |
| 3 | Among Treacherous Stars | 6.6 hrs |
| 4 | Against Impassable Barriers | 6.9 hrs |
| 5 | Over Freezing Altitudes | 6.7 hrs |
| 6 | At Galactic Central | 7 hrs |
More narrated by Tia Rider
Tia Rider narrates 74 unabridged audiobooks in our catalog, 672 hours in all.
About as long, on the Space Opera shelf
304 Space Opera 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
Against Impassable Barriers is book 4 of Kate MacLeod's Travels of Scout Shannon series: a 6.9-hour unabridged recording, read by Tia Rider, released July 8, 2025, on the Space Opera shelf.
The listen at a glance
- Length
- 6.9 hrs
- Narrated by
- Tia Rider
- Released
- July 8, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Space Opera
- Series
- The Travels of Scout Shannon #4
- ISBN
- 9798347388561
How to listen to Against Impassable Barriers 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 Against Impassable Barriers audiobook?
Against Impassable Barriers runs 6.9 hours unabridged. At 1.5× speed that drops to roughly 4.6 hours.
Is the Against Impassable Barriers audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Against Impassable Barriers?
Against Impassable Barriers is narrated by Tia Rider.