Two Fundamental Problems of the Theory of Knowledge: Audiobook
According to The Books Insider's catalog data, the Two Fundamental Problems of the Theory of Knowledge audiobook runs 19.2 hours unabridged, narrated by Martyn Swain (about 12.8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 19.2 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 39 days |
| 1 hour / day | 20 days |
| 2 hours / day | 10 days |
| 1 hour / day at 1.5× | 13 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 19.2 hours, it runs longer than 97% of the 4,248 Lessons in Philosophy audiobooks in our catalog.
More narrated by Martyn Swain
Martyn Swain narrates 37 unabridged audiobooks in our catalog, 634 hours in all.
About as long, on the Lessons in Philosophy shelf
70 Lessons in Philosophy audiobooks in our catalog run within 10% of this length. The most popular on the store:
- The Big Picture: On the Origins of Life, Meaning, and the Universe Itself
- Enlightenment Now: The Case for Reason, Science, Humanism, and Progress
- The Demon-Haunted World: Science as a Candle in the Dark
- The Return of the God Hypothesis: Three Scientific Discoveries That Reveal the Mind Behind the Universe
- Objectivism: The Philosophy of Ayn Rand
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
Two Fundamental Problems of the Theory of Knowledge is an audiobook by Karl Popper: a 19.2-hour unabridged recording, read by Martyn Swain, released April 18, 2024, on the Lessons in Philosophy shelf.
The listen at a glance
- Length
- 19.2 hrs
- Narrated by
- Martyn Swain
- Released
- April 18, 2024
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Lessons in Philosophy
- ISBN
- 9781004161713
How to listen to Two Fundamental Problems of the Theory of Knowledge 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 Two Fundamental Problems of the Theory of Knowledge audiobook?
Two Fundamental Problems of the Theory of Knowledge runs 19.2 hours unabridged. At 1.5× speed that drops to roughly 12.8 hours.
Is the Two Fundamental Problems of the Theory of Knowledge audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Two Fundamental Problems of the Theory of Knowledge?
Two Fundamental Problems of the Theory of Knowledge is narrated by Martyn Swain.
Is Two Fundamental Problems of the Theory of Knowledge worth listening to at 1.5× speed?
At 1.5× you'd finish in about 12.8 hours, saving 6.4 hours.