# Two Fundamental Problems of Knowledge by Karl Popper — resale value

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**Two Fundamental Problems of Knowledge by Karl Popper** — resale value from real closed eBay sales.

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Values are medians of real closed eBay sales, updated 2026-06-18. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

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## Details

| Field | Value |
| --- | --- |
| UPC / EAN | 3161485076 |
| Brand | Karl Popper |
| Published | 1979 |
| Publisher | J.C.B. Mohr (Paul Siebeck) |
| Pages | 510 |
| Editions | 16 |
| Category | Philosophy |

## Two Fundamental Problems of Knowledge resale value

**Two Fundamental Problems of Knowledge** by Karl Popper (1979). Across 16 editions. Used-book value depends heavily on edition (first printing vs. reprint), condition, dust jacket, and whether it's signed. First editions and out-of-print titles command the biggest premiums.

### What drives the price

First editions/first printings, intact dust jackets, signatures, and unmarked pages are the top value drivers. Book-club editions and later reprints are worth far less.

## FAQ

**Is this 1979 edition of Popper's work still highly sought after by academics?**

Yes, as a foundational text in philosophy, this 1979 edition remains a significant and sought-after academic resource.

**What is the ISBN for this specific 16th edition?**

The ISBN for this edition is 3161485076, published by J.C.B. Mohr (Paul Siebeck).

**How many pages does this volume contain?**

This comprehensive volume contains 510 pages of Karl Popper's philosophical analysis.

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