Todd Keisling Books

Surviving the collapse of the death cult that bore them was only the beginning for the Stauford Six. The real nightmare begins more than thirty years later with the death of their final protector a...

Midnight in the Pentagram

By Todd Keisling, Michael Patrick Hicks, Brian Keene, James Newman, Catherine Cavendish, Stephanie Ellis, Tony Tremblay, Graham Masterton, Tim Meyer, Kenneth W. Cain

Average: 0.00, 0 Ratings

A Life Transparent

By Todd Keisling

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.