Melissa Marr Books

Rags and Bones

By Melissa Marr, Tim Pratt

Average: 0.00, 0 Ratings

Shards and Ashes

By Kelley Armstrong, Melissa Marr

Average: 0.00, 0 Ratings

The Strange Case of Harleen and Harley

By Melissa Marr

Average: 0.00, 0 Ratings

Harleen Quinzel is many things, a gymnast, anxious, broke…but the last thing anyone would call her is evil. Harley Quinn on the other hand…“Good and evil are so close as to be c...

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.