Catherine Gilbert Murdock Books

After five months of sheer absolute craziness I was going back to being plain old background D.J. In photographs of course I’m always in the background—it’s a family joke, actually, that us Schwenk...

Dairy Queen

By Catherine Gilbert Murdock

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When you don’t talk, there’s a lot of stuff that ends up not getting said.Harsh words indeed, from Brian Nelson of all people. But, D.J. can’t help admitting, maybe he’s rig...

The Off Season

By Catherine Gilbert Murdock

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Life is looking up for D.J. Schwenk. She's in eleventh grade, finally. After a rocky summer, she's reconnecting in a big way with her best friend, Amber. She's got kind of a thing going with Brian...

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.