Penelope York Books

An introduction to planet Earth, its features, and the forces that have shaped them. This book is an introduction to planet Earth, its features, and the forces that have shaped them.

Les insectes

By Penelope York

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Une invitation à parcourir les grands écosystèmes du monde à la découverte l'univers des insectes. Leurs croissance, reproduction, mécanismes de défense, métamorphoses, etc., sont passés en revue,...

El Libro De LA Navidad

By Jane Bull, Penelope York

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Bugs

By Penelope York

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Bugs come in all shapes and sizes, and insects do amazing things -now your child can explore the fascinating world of bugs and creepy crawlies with pictures and games and interesting text. This bo...

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.