Catherine Williams Books

Hayes and Williams: Family Law: Principles, Policy and Practice

By Catherine Williams, Mary Hayes

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Inseparable: Granny and Grandad's Autobiographies

By Catherine Williams, Leonard Williams

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Two lives become as one when a young doctor and academic lawyer meet and, almost immediately get married. Many years later during the Covid lockdown, they write the story of their lives for their g...

Weight Loss Motivation BOX SET 3 in 1: Loose 10 Pounds in 14 Days with 117 Proven Weight Loss Instruments Two Week Diet Plan! : (how to Lose Weight in 10 Days, Weight Loss Instruments, Low Carb Diet)

By Catherine Williams, Samantha Johnson, Imogen Harbor

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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.