# Data communications networking devices by Gilbert Held — resale value

**Data communications networking devices by Gilbert Held** — resale value from real closed eBay sales.

Values are medians of real closed eBay sales, updated 2026-06-19. 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%3DGilbert%2520Held%2520Data%2520communications%2520networking%2520devices%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%3DGilbert%2520Held%2520Data%2520communications%2520networking%2520devices%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

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## Details

| Field | Value |
| --- | --- |
| UPC / EAN | 9780471909477 |
| Brand | Gilbert Held |
| Published | 1986 |
| Publisher | Wiley |
| Pages | 574 |
| Editions | 8 |
| Category | Computers |

## Data communications networking devices resale value

**Data communications networking devices** by Gilbert Held (1986). Across 8 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 1986 networking book still relevant for modern tech study?**

While dated, it provides historical context on data communications networking devices from 1986.

**How many editions of this book are available?**

This specific title has been published in 8 editions.

**What is the ISBN for this copy?**

The ISBN for this edition is 9780471909477.

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Full price guide: https://junkpal.ai/products/data-communications-networking-devices-gilbert-held-ol58483w
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-19, based on real sold listings (junkpal.ai)"