Echo: Audiobook
Book 7 of the Linear Tactical series
According to The Books Insider's catalog data, the Echo audiobook runs 7.6 hours unabridged, narrated by Tom Campbell (about 5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 7.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 16 days |
| 1 hour / day | 8 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 6 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 7.6 hours, it is shorter than 61% of the 7,690 Mystery audiobooks in our catalog.
Catching up on Linear Tactical
This is book 7. Books 1 to 6 run 48.6 hours before it; books 1 to 14 run 105.4 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Cyclone: An alpha male, military romantic suspense | 6.9 hrs |
| 2 | Eagle: A single dad, military romantic suspense | 6.9 hrs |
| 3 | Shamrock: An alpha hero, military romantic suspense | 7.1 hrs |
| 4 | Angel: An alpha hero Navy SEAL military romantic suspense | 6.8 hrs |
| 5 | Linear Tactical Series - Ghost & Shadow | 14.1 hrs |
| 6 | Shadow | 6.9 hrs |
| 7 | Echo | 7.6 hrs |
| 8 | Phoenix | 6.7 hrs |
| 9 | Baby | 9.2 hrs |
| 10 | Storm | 6.3 hrs |
| 11 | Redwood | 9.2 hrs |
| 12 | Scout | 6.3 hrs |
More narrated by Tom Campbell
Tom Campbell narrates 69 unabridged audiobooks in our catalog, 554 hours in all.
About as long, on the Mystery shelf
1,228 Mystery 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
Echo is book 7 of Janie Crouch's Linear Tactical series: a 7.6-hour unabridged recording, read by Tom Campbell, released March 26, 2020, on the Mystery shelf.
The listen at a glance
- Length
- 7.6 hrs
- Narrated by
- Tom Campbell
- Released
- March 26, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery
- Series
- Linear Tactical #7
- ISBN
- 9781667077482
How to listen to Echo 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 Echo audiobook?
Echo runs 7.6 hours unabridged. At 1.5× speed that drops to roughly 5 hours.
Is the Echo audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Echo?
Echo is narrated by Tom Campbell.