Brian Churilla Books

Hellboy's career in the B.P.R.D. kicks off in this new digital edition collecting his earliest missions!From his very first official case in 1952 tracking down a mad scientist in Brazil, Hellboy mo...

Big Trouble in Little China 11

By Brian Churilla, Eric Powell

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Achilles

By Brian Churilla, Christopher E. Long

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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.