Sean A. Hemingway Books

Tomb of Alexander

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Sought after for generations. Venerated by the great and the good. Hidden from all mankind. Alexander was one of the greatest leaders of all time. After he died, his tomb was the most renowned and...

Tomb of Alexander

By Sean A. Hemingway

Average: 0.00, 0 Ratings

Sought after for generations. Venerated by the great and the good. Hidden from all mankind. Alexander was one of the greatest leaders of all time. After he died, his tomb was the most renowned and...

Pergamon and the Hellenistic kingdoms of the ancient world

By Sean A. Hemingway, Carlos A. Picon

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"The Hellenistic Age spanned the three momentous centuries from the death of Alexander the Great in 323 B.C. to the crowning of Emperor Augustus and the establishment of the Roman Empire. This sple...

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.