David A. Rollins Books

As shocking as today’s headlines, this internationally bestselling thriller plunges readers into the revelation of a terrifying conspiracy that begins with a sniper’s bullet on a routine patrol in...

A knife edge

By David A. Rollins

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While working on a top-secret research program for the US Department of Defense in the freezing waters off Japan, a leading scientist turns up dead, eaten by a monster shark. US Air Force OSI Speci...

Rogue element

By David A. Rollins

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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.