# Patterns of data modeling by Michael Blaha — resale value

**Patterns of data modeling by Michael Blaha** — 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%3DPatterns%2520of%2520data%2520modeling%2520Michael%2520Blaha%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%3DPatterns%2520of%2520data%2520modeling%2520Michael%2520Blaha%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 | 1439819890 |
| Brand | Michael Blaha |
| Published | 2010 |
| Publisher | CRC Press |
| Pages | 261 |
| Editions | 7 |
| Category | Computers |

## Patterns of data modeling resale value

**Patterns of data modeling** by Michael Blaha (2010). Across 7 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 2010 edition still relevant for current data modeling practices?**

As a foundational text, it offers established patterns from 2010, making it a valuable reference for understanding core data modeling concepts.

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

The ISBN for this publication is 1439819890.

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

This title is available in 7 different editions.

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Full price guide: https://junkpal.ai/products/patterns-of-data-modeling-michael-blaha-ol18650922w
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)"