Andy Charman Books

Santa's Christmas Activity Book

By Andy Charman, Helen Cockburn

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I Wonder Why Trees Have Leaves and Other Questions about Plants I wonder why

By Andy Charman

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Materials

By Andy Charman

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Explores the properties of a variety of materials and ways this knowledge can be of assistance when using these materials in art.

Energy

By Andy Charman

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Explores how basic principles of energy can be used in art.

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.