The Cost of Knowing: Audiobook
Book 2 of the Stone Cycle series
According to The Books Insider's catalog data, The Cost of Knowing runs 10.7 hours as an unabridged audiobook, narrated by Greg John (about 7.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 10.7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 22 days |
| 1 hour / day | 11 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 8 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 10.7 hours, it is shorter than 63% of the 4,887 Epic Fantasy audiobooks in our catalog.
Catching up on The Stone Cycle
This is book 2. Book 1 runs 12.3 hours before it; books 1 to 6 run 71.9 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Stone of Knowing | 12.3 hrs |
| 2 | The Cost of Knowing | 10.7 hrs |
| 3 | The Stone of Authority | 11.6 hrs |
| 4 | The Struggle for Authority | 14.2 hrs |
| 5 | The Stone of Vitality | 10.8 hrs |
| 6 | The Hope of Vitality | 12.2 hrs |
More narrated by Greg John
Greg John narrates 15 unabridged audiobooks in our catalog, 181 hours in all.
About as long, on the Epic Fantasy shelf
804 Epic Fantasy 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 Cost of Knowing is book 2 of Allan N. Packer's Stone Cycle series: a 10.7-hour unabridged recording, read by Greg John, released April 2, 2024, on the Epic Fantasy and Coming of Age shelves.
The listen at a glance
- Length
- 10.7 hrs
- Narrated by
- Greg John
- Released
- April 2, 2024
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Epic Fantasy, Coming of Age
- Series
- The Stone Cycle #2
- ISBN
- 9781925898644
How to listen to The Cost of Knowing 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 Cost of Knowing as an audiobook?
The Cost of Knowing runs 10.7 hours unabridged. At 1.5× speed that drops to roughly 7.2 hours.
Is The Cost of Knowing free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Cost of Knowing?
The Cost of Knowing is narrated by Greg John.
Is The Cost of Knowing worth listening to at 1.5× speed?
At 1.5× you'd finish in about 7.2 hours, saving 3.6 hours.