# Brain Quest by Chris Welles Feder — resale value

Source: JunkPal price guide — https://junkpal.ai/products/brain-quest-chris-welles-feder-ol904309w

**Brain Quest by Chris Welles Feder** — resale value from real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/brain-quest-chris-welles-feder-ol904309w

Values are medians of real closed eBay sales, updated 2026-06-20. 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%3DBrain%2520Quest%2520Chris%2520Welles%2520Feder%2520Mathematics%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%3DBrain%2520Quest%2520Chris%2520Welles%2520Feder%2520Mathematics%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 | 1563052601 |
| Brand | Chris Welles Feder |
| Published | 1992 |
| Publisher | Groupe Play Bac, S.A. |
| Pages | 112 |
| Editions | 8 |
| Category | Mathematics |

## Brain Quest resale value

**Brain Quest** by Chris Welles Feder (1992). 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 1992 edition still highly sought after by educators?**

As an 8th edition published in 1992, it maintains relevance as a foundational math resource.

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

The ISBN listed for this edition is 1563052601.

**How many pages does this Brain Quest mathematics book contain?**

The book contains 112 pages.

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Full price guide: https://junkpal.ai/products/brain-quest-chris-welles-feder-ol904309w
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-20, based on real sold listings (junkpal.ai)"