Jeffrey Brown Books

Complete Parent

By Jeffrey Brown

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Lucy & Andy Neanderthal: Bad to the Bones

By Jeffrey Brown

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From the author of the New York Times bestselling Jedi Academy books comes book three in the laugh-out-loud graphic novel series about Neanderthal siblings Lucy and Andy. Fans of Big Nate, Diary of...

Star Wars Jedi Academy Return of the Padawan

By Jeffrey Brown

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The force oversleeps

By Jarrett Krosoczka

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"Victor Starspeeder is back at Jedi Academy for year two, but it's not going the way he'd planned. He was thrilled about Drama Club and hoped to get the lead in this year's musical... But a new kid...

My Teacher Is a Robot

By Jeffrey Brown

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Reading with Pictures

By Josh Elder

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FCBD 2019 LUCY ANDY NEANDERTHAL BIG BOLDER

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Heavens Gate

By Jeffrey Brown

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Star Wars Jedi Academy Series 7 Books Collection Set by Jeffrey Brown

By Jeffrey Brown, Jarrett Krosoczka

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Designing Methodology and Technology Volume 1 Site Designer Master CIW Designer Series

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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.