David R. Higgins Books

Cromwell vs Jagdpanzer IV

By David R. Higgins

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King Tiger Vs IS 2

By David Higgins

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This book examines the technology and strategy that defined the outcome of the battles between the King Tiger and the IS-2. The Soviets had been quick to develop tanks that could fight the Tiger on...

The Roer River battles

By David Higgins

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Panzer II Vs 7TP

By David R. Higgins, Richard Chasemore

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Panzer II Vs 7TP

By David R. Higgins, Richard Chasemore

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Panzer II Vs 7TP

By David R. Higgins, Richard Chasemore

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US Marine Versus NVA Soldier

By Johnny Shumate, David R. Higgins

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US Marine vs NVA Soldier

By Johnny Shumate, David R. Higgins

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US Marine vs NVA Soldier

By Johnny Shumate, David R. Higgins

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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.