Williams Lawrence Books

I, James McNeill Whistler

By Williams Lawrence

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The murder triangle

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Images of death

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A copper snare

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The fate of women

By Williams Lawrence

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Every police officer can recall a case that will always haunt him. For Detective Sergeant Jack Bull it is the case known as the Fate of Women. Someone has developed a solution to the problem of res...

I, James McNeill Whistler

By Williams Lawrence

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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.