Peter Grego Books

Complex Intracellular Structures in Prokaryotes Microbiology Monographs Book 2

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Venus and Mercury and How to Observe Them

By Peter Grego

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"See the sky at night like you have never seen it before with this all-encompassing guide to astronomy! Learn all there is to know about the layout of the skies, the positions of the main constella...

Star Book

By Peter Grego

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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.