Jack Kasprzak Books

Captain and crow s ABCs

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"After meeting a lost pirate captain, a pompous crow challenges him to a game of words. If the captain can name a word for ever letter of the ABCs that has his favorite "R" sound in it, he will be...

Life in Color

By Courtney Autumn Martin, David Sossella, Rubens Scarelli, Phil Wheeler, Katie Abey, Stephanie Corfee, Christina Rene Mrozik, Shanghee Shin, Jack Kasprzak

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Life in Color

By Courtney Autumn Martin, David Sossella, Katie Abey, Stephanie Corfee, Jack Kasprzak

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Life in Colour

By Courtney Autumn Martin, Katie Abey, Stephanie Corfee, Christina Rene Mrozik, Jack Kasprzak

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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.