Stef Penney Books

The Invisible Ones 12-Copy Solid Floor Display

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Small-time private investigator Ray Lovell veers between paralysis and delirium in a hospital bed. But before the accident that landed him there, he'd been hired to find Rose Janko, the wife of a c...

The Invisible Ones

By Stef Penney

Average: 0.00, 0 Ratings

In a hospital bed, small-time private detective Ray Lovell veers between paralysis and delirium. But before the accident that landed him there, he’d been hired to find Rose Janko, the estrang...

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.