David Rollins Books

By the time Special Investigator Vin Cooper arrives at the murder scene–the shark-infested waters off the Japanese coast–there’s little left of the victim to prove that his death wasn’t an accident...

The Death Trust

By David A. Rollins

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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

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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.