Cyndi Marko Books

The birdy snatchers

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Superheroes Kung Pow Chicken and Egg Drop must stop the evil Birdbrain from zapping the smartest chickens in Fowladelphia into zombies. Book #3 Superheroes Kung Pow Chicken and Egg Drop must stop...

When the Blue family travels to New Yolk City, Egg Drop wants to go to the first-ever Sidekick Super-Con, a big party for sidekicks, but Ticklebeak and his Bad Eggs soon chicknap the sidekicks, and...

Sloth Sleuth

By Marko Cyndi

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Legend of Gnawface

By Marko Cyndi

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Sloth Sleuth

By Marko Cyndi

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Let s Get Cracking

By Marko Cyndi

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Let s Get Cracking

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Bok Bok Boom

By Marko Cyndi

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Bok Bok Boom

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The Birdy Snatchers

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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.