Carol Ballard Books

Muscles

By Carol Ballard

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Bones

By Carol Ballard

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The digestive system

By Carol Ballard

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"The digestive system explores the structure of the digestive system and how our bodies digest and use the food we eat. It explains the different illnesses and conditions that can affect our digest...

Heart and Blood

By Carol Ballard

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Lungs

By Carol Ballard

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Ears

By Carol Ballard

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Eyes

By Carol Ballard

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Immune System

By Carol Ballard

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Muscles

By Carol Ballard

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Bones

By Carol Ballard

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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.