Claudia Martin Books

Spiders and bugs around the world

By Claudia Martin

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School Warrior

By Claudia Martin

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My little book of rocks minerals and gems

By Claudia Martin

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For those with curious minds starting to take note of the world around them, the basic materials from which our planet is made raise a multitude of questions. What are rocks and minerals? Why are t...

Rocks

By Claudia Martin

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Gems

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Fossils

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Weather and Seasons

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Planets and Stars

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Italy

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Wonders of the World

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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.