Amy Sky Koster Books

Furry Fluffy Fabulous

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Discover how a precious bunny named Berry, a prancing puppy named Pumpkin, a seafaring kitten named Treasure, and a performing pup named Teacup became royal Palace Pets.

Petite s winter wonderland

By Amy Sky Koster

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"Princess Belle from Disney "Beauty and the Beast" meets a sweet pony named Petite in this full-color storybook featuring a glittery cover and pages."--Amazon.

Cute sweet petite

By Amy Sky Koster

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Disney princesses find pets to love and care for, including a tiger for Jasmine, a pony for Rapunzel, and a kitten for Aurora.

The Knight Night Guard

By Amy Sky Koster, RH Disney

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Olaf s Frozen Adventure Big Golden Book Disney Frozen

By Amy Sky Koster

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Ariel and the Big Baby Rapunzel Finds a Friend

By Amy Sky Koster, Jeffrey Thomas, Ella Patrick

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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...

Cute, sweet, & petite!

By Amy Sky Koster

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Disney princesses find pets to love and care for, including a tiger for Jasmine, a pony for Rapunzel, and a kitten for Aurora.

Petite's winter wonderland

By Amy Sky Koster

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"Princess Belle from Disney "Beauty and the Beast" meets a sweet pony named Petite in this full-color storybook featuring a glittery cover and pages."--Amazon.

Teacup the Pup for Belle

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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.