# Modem theory by Richard E. Blahut — resale value

**Modem theory by Richard E. Blahut** — resale value from real closed eBay sales.

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.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DModem%2520theory%2520Richard%2520E%2520Blahut%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DModem%2520theory%2520Richard%2520E%2520Blahut%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| UPC / EAN | 0511689330 |
| Brand | Richard E. Blahut |
| Published | 2009 |
| Publisher | Cambridge University Press |
| Pages | 497 |
| Editions | 6 |
| Category | Mathematics |

## Modem theory resale value

**Modem theory** by Richard E. Blahut (2009). Across 6 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 the 6th edition of Modem Theory still highly sought after?**

Yes, as a standard text published in 2009 by Cambridge University Press, it remains valuable for advanced mathematics study.

**What is the ISBN for this specific textbook?**

The ISBN for Modem Theory by Richard E. Blahut is 0511689330.

**How many pages are in this 2009 publication?**

This edition contains 497 pages of mathematical content.

---

Full price guide: https://junkpal.ai/products/modem-theory-richard-e-blahut-ol18773082w
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-18, based on real sold listings (junkpal.ai)"