Katie Gilstrap Books

Penny Lu Porcupine

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A cautious porcupine summons the courage to stand up to threats both real and imagined, reassuring readers that they, too, can face their fears.Like all porcupines, Penny Lu is nearsighted. So...

Finnegan Fox

By Katie Gilstrap, Lori Nichols

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A heartwarming story that offers reassurance to anyone who is hesitant to try new things, giving them permission to take the time they need to feel readyTonight’s the night! It’s the ve...

Spacemanatee

By Katie Gilstrap, Alice Samuel

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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.