The Book of Koli: Audiobook
Book 1 of the Rampart series
According to The Books Insider's catalog data, The Book of Koli runs 14.3 hours as an unabridged audiobook, narrated by Theo Solomon (about 9.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 14.3 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 29 days |
| 1 hour / day | 15 days |
| 2 hours / day | 8 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 14.3 hours, it runs longer than 86% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on The Rampart Trilogy
This is book 1. Books 1 to 3 run 46.3 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Book of Koli | 14.3 hrs |
| 2 | The Trials of Koli | 15.1 hrs |
| 3 | The Fall of Koli | 17 hrs |
More narrated by Theo Solomon
Theo Solomon narrates 60 unabridged audiobooks in our catalog, 561 hours in all.
About as long, on the Science Fiction shelf
1,305 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 Book of Koli is book 1 of M. R. Carey's Rampart series: a 14.3-hour unabridged recording, read by Theo Solomon, released April 14, 2020, on the Science Fiction and Apocalyptic & Dystopian shelves.
The listen at a glance
- Length
- 14.3 hrs
- Narrated by
- Theo Solomon
- Released
- April 14, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction, Apocalyptic & Dystopian
- Series
- The Rampart Trilogy #1
- ISBN
- 9781549182747
How to listen to The Book of Koli 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 Book of Koli as an audiobook?
The Book of Koli runs 14.3 hours unabridged. At 1.5× speed that drops to roughly 9.5 hours.
Is The Book of Koli free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Book of Koli?
The Book of Koli is narrated by Theo Solomon.
Is The Book of Koli worth listening to at 1.5× speed?
At 1.5× you'd finish in about 9.5 hours, saving 4.8 hours.