Hugh Westrup Books

The Sport s Book

By Carol Gold, Hugh Westrup

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Current Science Life Science Current Science

By Hugh Westrup

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Help your 3 to 5 year-old get a start on understanding the science around them with this simple and enjoyable workbook. It’s an excellent aid for homeschooling, or as a guide to teach some extra co...

DK Workbooks: Science, Kindergarten

By DK

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Help 5- to 6-year-olds get ahead of understanding the science around them with this simple and enjoyable workbook. It’s an excellent aid for homeschooling, or as a guide to teach some extra concept...

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.