Penelope Gaylord Books

Bill Ted s Most Triumphant Return

By Penelope Gaylord, Brian Lynch, Jerry Gaylord

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Blueprint 2

By Penelope Gaylord, Jerry Gaylord, Bryan Turner

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Diana and the Hero's Journey

By Grace Ellis

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It takes a village to raise a warrior…and the Amazons have a lot on their hands with Diana. Can she harness the power of truth and community to become the hero we know as WONDER WOMAN?Curiou...

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.