Mark Costello Books

Bag Men

By Mark Costello

Average: 0.00, 0 Ratings

Middle Murphy

By Mark Costello

Average: 0.00, 0 Ratings

Middle Murphy Sunsinger Books Illinois Short

By Mark Costello

Average: 0.00, 0 Ratings

Big if

By Mark Costello

Average: 0.00, 0 Ratings

"It's winter in New Hampshire, the economy is booming, the vice president is running for president, and his Secret Service people seem very, very tense. Mark Costello's funny, unsettling novel, a r...

Mark Costello

By Mark Costello

Average: 0.00, 0 Ratings

Mark Costello Interview

By Mark Costello

Average: 0.00, 0 Ratings

Big If

By Mark Costello

Average: 0.00, 0 Ratings

El Gran Si

By Mark Costello

Average: 0.00, 0 Ratings

Signifying Rappers

By Mark Costello, David Foster Wallace

Average: 0.00, 0 Ratings

Big If

By Mark Costello

Average: 0.00, 0 Ratings

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.