David Fitzgerald Books

IT’S CALLED “THE EVENT,” AN UNIMAGINABLE CATACLYSM THAT SHATTERS 600 MILLION YEARS OF THE EARTH’S TIMELINE. Our world is gone, instantly replaced by a new one made of s...

Shatter War

By David Fitzgerald, Dana Fredsti

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Time shatters into shards of the past, present, and future. A group of survivors dodge threats from across history to locate the source and repair the damage before it's too late.WAR ACROSS THE TIM...

Time Shards - Tempus Fury

By David Fitzgerald, Dana Fredsti

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Time shatters into shards of the past, present, and future. A group of survivors dodges threats from across history to locate the source and repair the damage before it’s too late. When...

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.