Alexandra Colombo Books

Bad Case of the Almosts

By Janet Sumner Johnson, Alexandra Colombo

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Michael Recycle Meets Borat the Space Cat

By Ellie Patterson Alexandra Columbo

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Teach your kids the importance of environmentalism and sustainability in this fun, exciting adventure!It's the near future and Earth is on the brink of an environmental apocalypse. Michael Recycle...

Sophie s Monster Goes to Shul

By Sandy Asher, Alexandra Colombo

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Classical Melodies

By Anna Gough, Alexandra Colombo

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Litterbug Doug

By Bethel, Ellie

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Earth

By Andrea Kaczmarek, Alexandra Colombo

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Stars

By Andrea Kaczmarek, Alexandra Colombo

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Sun

By Andrea Kaczmarek, Alexandra Colombo

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Moon

By Andrea Kaczmarek, Alexandra Colombo

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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.