Allison Grafton Books

Projects for a Healthy Planet: Simple Environmental Experiments for Kids

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Projects designed to help us understand causes of pollution, to protect our resources, and to create environmentally friendly products.

Ecociencia

By Shar Levine, Allison Grafton, Grafton Levine

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Las actividades de este libro ilustrado para niños y jóvenes enseñan cosas como la manera de hacer papel perfumado para borrador, construir tu propio invernadero, y cómo hacer crecer semillas en 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.