Echo: Audiobook
According to The Books Insider's catalog data, the Echo audiobook runs 0.1 hours unabridged, narrated by Mark Sanderlin (about 0.1 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 0.1 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 1 day |
| 1 hour / day | 1 day |
| 2 hours / day | 1 day |
| 1 hour / day at 1.5× | 1 day |
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 0.1 hours, it is shorter than 85% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.
More narrated by Mark Sanderlin
Mark Sanderlin narrates 253 unabridged audiobooks in our catalog, 1,468 hours in all.
About as long, on the Non-fiction (Kids) shelf
499 Non-fiction (Kids) 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 an audiobook by Adam Rex: a 0.1-hour unabridged recording, read by Mark Sanderlin, released March 18, 2025, on the Non-fiction (Kids) shelf.
The listen at a glance
- Length
- 0.1 hrs
- Narrated by
- Mark Sanderlin
- Released
- March 18, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Non-fiction (Kids)
- ISBN
- 9798217019137
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 0.1 hours unabridged. At 1.5× speed that drops to roughly 0.1 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 Mark Sanderlin.