Shirley Jordan Books

In 1849, gold seekers flocked to Sutter's Mill in California: farmers left their fields, sailors abandoned their ships in the harbors, and carpenters dropped their tools. They were going to Califo...

The American flag

By Shirley Jordan

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Explores the history and symbolism of the American flag, including how it inspired Francis Scott Key to compose the national anthem and encouraged Francis Bellamy and James B. Upham to write the Pl...

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.