Martin Brian Books

John Henry Newman, his life and work

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Cardinal Newman (1801-1890) was one of the most eminent and controversial figures of the 19th Century. His conversion of the Church of Rome sparked one of the most bitter and divisive controversies...

Ride with Rampage

By Dona Herweck Rice, Martin Brian

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Marshall Mellow

By JJ Landis, Martin Brian

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The whistleblower's handbook

By Martin Brian

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Statistics for Physical Sciences

By Martin Brian

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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.