Erwin Pulay Books

Vistas In Astronomy

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Vistas in Astronomy, Volume 3 covers the spectacular and interesting developments in the field of astronomy. This book is organized into two main sections encompassing 18 chapters. The first part...

Nutrition And Victory: Food Problems In War And Peace

By Erwin Pulay

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Nutrition and Victory: Food Problems in War and Peace focuses on the problems associated with nutrition, including the use of vitamins, allergies, sicknesses, food requirements, and preparation of...

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.