Cathy Hapka Books

Charlotte's Web New in the Barn Spanish edition La telarana de Carlota El cerdito nuevo del granero Charlotte's Web

By Cathy Hapka

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Shrek the Third: Friends and Foes

By Cathy Hapka

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Shrek and Donkey search far and wide to find a king for Far Far Away so that Shrek and Fiona can go home to their beloved swamp.

Shrek the Third: A Good King Is Hard to Find

By Cathy Hapka

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Shrek and Donkey find Fiona's cousin Artie to bring him back to Far Far Away to be king, but Artie doesn't think he can be king--and neither does Prince Charming, who wants the job for himself.

Shrek the Third Friends and Foes Spanish edition Amigos y enemigos I Can Read Book 2

By Cathy Hapka

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The Land Before Time: Cera's Shiny Stone

By Cathy Hapka

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31 p. : 23 cm

Shrek the Halls Shrek

By Cathy Hapka, Tbd

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Kung Fu Panda: Meet the Masters

By Cathy Hapka

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Kung Fu Panda: Po's Crash Course

By Cathy Hapka

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Kung Fu Panda: The Movie Storybook

By Cathy Hapka

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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.