Judith Wills Books

The Food Bible

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"Complete nutritional content for more than 350 foods -- including more than 100 superfoods. The top 10 breakfasts. The 20 healthiest foods for cooks on a budget. Nutritional causes and cures for m...

6 ways to lose a stone in 6 weeks

By Judith Wills

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The Omega Diet

By Judith Wills

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The Omega Diet

By Judith Wills

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6 Ways to Lose a Stone in 6 Weeks

By Judith Wills

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A Flat Stomach in 15 Days

By Judith Wills

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A flat stomach in 15 days

By Judith Wills

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High speed slimming

By Judith Wills

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Judith Wills Slimmer s Cookbook

By Judith Wills

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Judith Wills Virtually Vegetarian

By Judith Wills

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.