Amy Sky Koster Books

Tiana s Kind Pony Disney Princess Palace Pets

By Amy Sky Koster, Disney Storybook Disney Storybook Art Team

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Explore My World: Lions

By Amy Sky Koster

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In this charming picture book for pre-schoolers, curious kids will learn all about the wild world of lions--one of nature's most fascinating and charismatic creatures.Readers learn how lions commun...

Disney Olaf s Frozen Adventure

By Amy Sky Koster

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Knight Night Guard Disney Palace Pets Whisker Haven Tales

By Amy Sky Koster

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Hank the Septopus

By Amy Sky Koster

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Petite s Winter Wonderland Princess Pals

By Amy Sky Koster

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Cuddly Princess Pals

By Amy Sky Koster

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Berry

By Amy Sky Koster

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Follow Berry and she hops through the garden gathering items to make a small nest.

Palace Pets

By Disney Book Group

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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.