Alan Barclay Books

Everything you need to know to manage type 2 diabetes

By Janette Brand Miller

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The New Glucose Revolution for Diabetes

By Kaye Foster Powell, Stephen Colagiuri, Dr. Jennie Brand Miller, Alan Barclay

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The good carbs cook book

By Alan W. Barclay

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100+ simple, delicious and satisfying recipes to keep you feeling fuller for longer. Good carbs are essential. They supply the feel-good, taste-good fuel to keep you strong, boost your energy and h...

Intermediate 1 2 modern studies

By Alan Barclay

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Die Raumsoldaten

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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.