The Science of Discworld IV: Judgement Day: Audiobook
According to The Books Insider's catalog data, The Science of Discworld IV: Judgement Day runs 12.3 hours as an unabridged audiobook, narrated by Michael Fenton Stevens and Stephen Briggs (about 8.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 12.3 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 25 days |
| 1 hour / day | 13 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 9 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 12.3 hours, it runs longer than 89% of the 4,248 Lessons in Philosophy audiobooks in our catalog.
More narrated by Michael Fenton Stevens
Michael Fenton Stevens narrates 34 unabridged audiobooks in our catalog, 285 hours in all.
About as long, on the Lessons in Philosophy shelf
243 Lessons in Philosophy audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Elon Musk: Tesla, SpaceX, and the Quest for a Fantastic Future
- 21 Lessons for the 21st Century: 'Truly mind-expanding... Ultra-topical' Guardian
- The Holographic Universe: The Revolutionary Theory of Reality
- Finding the Mother Tree: Discovering the Wisdom of the Forest
- The Second Mountain: The Quest for a Moral Life
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 Science of Discworld IV: Judgement Day is an audiobook by Terry Pratchett, Jack Cohen and Ian Stewart: a 12.3-hour unabridged recording, read by Michael Fenton Stevens and Stephen Briggs, released April 11, 2013, on the Lessons in Philosophy and Non-Fiction shelves.
The listen at a glance
- Length
- 12.3 hrs
- Narrated by
- Michael Fenton Stevens, Stephen Briggs
- Released
- April 11, 2013
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Lessons in Philosophy, Non-Fiction
- ISBN
- 9781448160235
How to listen to The Science of Discworld IV: Judgement Day 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 Science of Discworld IV: Judgement Day as an audiobook?
The Science of Discworld IV: Judgement Day runs 12.3 hours unabridged. At 1.5× speed that drops to roughly 8.2 hours.
Is The Science of Discworld IV: Judgement Day free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Science of Discworld IV: Judgement Day?
The Science of Discworld IV: Judgement Day is narrated by Michael Fenton Stevens and Stephen Briggs.
Is The Science of Discworld IV: Judgement Day worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.2 hours, saving 4.1 hours.