Melissa Marr Books

Fragile Eternity

Average: 0.00, 0 Ratings

Aislinn and Seth struggle with the unforeseen consequences of Aislinn's transformation from mortal girl to faery queen as the world teeters on the brink of cataclysmic violence.

Love Is Hell

By Melissa Marr

Average: 0.00, 0 Ratings

Five stories of supernatural romance.

Untamed City: Carnival of Secrets

By Melissa Marr

Average: 0.00, 0 Ratings

"A centuries-long war between daimons and witches sets the stage for three teens caught up in a deadly struggle for power and autonomy in the exotic and otherworldly Carnival of Souls, the mercanti...

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.