# Problem Solving in Primary Mathematics by Christine Edwards-Leis — resale value

Source: JunkPal price guide — https://junkpal.ai/products/problem-solving-in-primary-mathematics-christine-edwards-leis-ol20593956w

**Problem Solving in Primary Mathematics by Christine Edwards-Leis** — resale value from real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/problem-solving-in-primary-mathematics-christine-edwards-leis-ol20593956w

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%3DChristine%2520Edwards-Leis%2520Problem%2520Solving%2520Primary%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%3DChristine%2520Edwards-Leis%2520Problem%2520Solving%2520Primary%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 | 9781317434962 |
| Brand | Christine Edwards-Leis |
| Published | 2018 |
| Publisher | Routledge |
| Pages | 141 |
| Editions | 6 |
| Category | Mathematics |

## Problem Solving in Primary Mathematics resale value

**Problem Solving in Primary Mathematics** by Christine Edwards-Leis (2018). 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 this the latest edition available?**

This listing is for the 6th edition, published in 2018.

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

The ISBN for this textbook is 9781317434962.

**Who is the author of this primary mathematics guide?**

The book, Problem Solving in Primary Mathematics, is authored by Christine Edwards-Leis.

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Cite as: "JunkPal price guide value as of 2026-06-18, based on real sold listings (junkpal.ai)"