# Using Support Groups to Improve Behaviour by Joan Mowat — resale value

Source: JunkPal price guide — https://junkpal.ai/products/using-support-groups-to-improve-behaviour-joan-mowat-ol9723857w

**Using Support Groups to Improve Behaviour by Joan Mowat** — resale value from real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/using-support-groups-to-improve-behaviour-joan-mowat-ol9723857w

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%3DJoan%2520Mowat%2520Using%2520Support%2520Groups%2520to%2520Improve%2520Behaviour%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%3DJoan%2520Mowat%2520Using%2520Support%2520Groups%2520to%2520Improve%2520Behaviour%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 | 9781848604940 |
| Brand | Joan Mowat |
| Published | 2007 |
| Publisher | Paul Chapman Educational Publishing |
| Pages | 128 |
| Editions | 5 |
| Category | Self-help |

## Using Support Groups to Improve Behaviour resale value

**Using Support Groups to Improve Behaviour** by Joan Mowat (2007). Across 5 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 2007 edition still relevant for modern self-help?**

Yes, as a foundational text on using support groups, its principles remain relevant for behaviour improvement.

**What is the publisher of this book?**

The publisher is Paul Chapman Educational Publishing.

**Does this book have multiple editions available?**

Yes, this title is available in its 5th edition.

---

Full price guide: https://junkpal.ai/products/using-support-groups-to-improve-behaviour-joan-mowat-ol9723857w
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)"