Carol Butler Books

Do hummingbirds hum

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Hummingbirds may be the smallest birds in the world, but they have the biggest appetites. Their wings flutter on average fifty to eighty times each second as they visit hundreds of flowers over the...

Genois Wilson Firefighter

By Carol Butler

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Do Bats Drink Blood

By Barbara A. Schmidt French, Carol A. Butler

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Salt Marshes

By Judith S. Weis, Carol Butler, Judith Weis, Carol A. Butler

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How Fast Can a Falcon Dive

By Carol Butler, Peter Capainolo, Carol A. Butler

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Salt Marshes

By Judith Prof Weis, Carol Butler, Prof Judith Weis

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Do Butterflies Bite

By Carol Butler, Hazel Davies

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How Fast Can a Falcon Dive

By Carol Butler, Peter Prof Capainolo

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Teens out of the box coping skills workbook

By Ester A. Leutenberg

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Teens - Social Skills Strategies

By Ester R.A. Leutenberg

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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.