Penny Glover Books

Macmillan Science 1 Work Book

By Penny Glover, David Glover

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Macmillan Science 2 Work Book

By Penny Glover, David Glover

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Macmillan Science 3 Work Book

By Penny Glover, David Glover

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Macmillan Science

By Penny Glover, David Glover

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100 Cross Curricular Math Lessons

By Penny Glover, Shirley Walker, David Glover

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Fire Engines Big Machines

By Penny Glover, David Glover

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Shows big machines in action, explaining the tasks of their different features and how they work, featuring specific technical vocabulary, and includes a practical task to make a simple machine. Ag...

Cars

By Penny Glover, David Glover

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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.