Marcia S. Freeman Books

Living colors

By Marcia S. Freeman

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Describes color variation in animals such as bears, birds and frogs.

Making things move

By Marcia S. Freeman

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Non-fiction, science-based and designed to teach students to navigate informational text, to learn about its features, and to emulate the writing craft that the series books contain.

Going up?

By Marcia S. Freeman

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Sube

By Marcia S. Freeman

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La Ciencia Se Encuentra En La Ciudad

By Marcia S. Freeman

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1 2 3 Go

By Marcia S. Freeman

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A Dozen Cousins

By Marcia S. Freeman

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My Sister Is in Third Grade

By Marcia S. Freeman

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More Ice Cream

By Marcia S. Freeman

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What Makes 10

By Marcia S. Freeman

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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.