# The GL Diet Cookbook by Nigel Denby — resale value

Source: JunkPal price guide — https://junkpal.ai/products/the-gl-diet-cookbook-nigel-denby-ol15056996w

**The GL Diet Cookbook by Nigel Denby** — resale value from real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/the-gl-diet-cookbook-nigel-denby-ol15056996w

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%3DNigel%2520Denby%2520GL%2520Diet%2520Cookbook%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%3DNigel%2520Denby%2520GL%2520Diet%2520Cookbook%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 | 0007323646 |
| Brand | Nigel Denby |
| Published | 2006 |
| Publisher | HarperCollins Publishers Limited |
| Pages | 320 |
| Editions | 4 |
| Category | Cooking |

## The GL Diet Cookbook resale value

**The GL Diet Cookbook** by Nigel Denby (2006). Across 4 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 cookbook still relevant for the GL Diet?**

Published in 2006, it provides the foundational recipes and information from Nigel Denby for the GL Diet.

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

This specific title has been released in 4 different editions.

**What is the ISBN for this 2006 publication?**

The ISBN for this version is 0007323646.

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Full price guide: https://junkpal.ai/products/the-gl-diet-cookbook-nigel-denby-ol15056996w
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)"