Cathy Hapka Books

Kung Fu Panda: The Movie Storybook

By Cathy Hapka

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Dark Knight: Batman's Friends and Foes, The

By Cathy Hapka

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Blu, a rare blue Spix's Macaw, travels to Rio de Janeiro to save his species, where he meets Jewel, the only other bird of his kind, but they are soon kidnapped by rare animal smugglers and must es...

Blue ribbon day

By Cathy Hapka

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Going to the county fair to help Jill's mom prepare the ponies for a driving class competition, Jill, Meg, and Annie enjoy the displays and festivities before running into rival Ben, who makes them...

The Winter Ground

By Cathy Hapka

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Patchi and Juniper get separated from their herd during the great migration. Will they make it to the Winter Ground, where their families are waiting?

The Winter Ground

By Cathy Hapka

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Patchi and Juniper get separated from their herd during the great migration. Will they make it to the Winter Ground, where their families are waiting?

Plants vs. Zombies: Save Your Brains!

By Cathy Hapka

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"The zombies are coming! Will you be ready to save your brains? Don't worry--Crazy Dave is here to help!"--P. [4] of cover. The zombies are coming. If you want to save your brains, you will need t...

Spirit

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.