Jayne Castle Books

The Hot Zone

Average: 0.00, 0 Ratings

The world of Harmony has its wonders, one of them being Rainshadow Island.Just beneath its surface, a maze of catacombs hides a dangerous secret…Halloween—with its tricks and treats&#82...

The Lost Night

By Jayne Castle

Average: 0.00, 0 Ratings

Even the mysterious world of Harmony has people who don’t quite fit in. They’re drawn to places like Rainshadow Island, a beautiful sanctuary where anyone can feel safe—and where...

Dark Light

By Jayne Castle

Average: 0.00, 0 Ratings

Everything is different underground. Just ask the residents of Harmony, a futuristic world where alien catacombs can lead you astray—and where psychic senses spark out-of-this-world passion&h...

Two people desperate for answers wade through smoke and mirrors within the alien world of Harmony in this new novel by New York Times bestselling author Jayne Castle. His name is Joshua Knight. Onc...

People in Glass Houses

By Jayne Castle

Average: 0.00, 0 Ratings

It Takes a Psychic

By Jayne Castle

Average: 0.00, 0 Ratings

Two unlikely allies search for the secrets of their pasts while on the run within the Alien world of Harmony in the thrilling new novel by New York Times bestselling author Jayne Castle.Leona Griff...

It Takes a Psychic

By Jayne Castle

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.