Johnston Paul Books

An original and atmospheric thriller... When private investigator Alex Mavros is asked to trace a missing teenager, an immigrant from the former Soviet Union, he doesn't see any link with the plagu...

Death List

By Johnston Paul

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The death list

By Johnston Paul

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Matt Wells, once a best-selling novelist, is suffering from such a bad case of writer's block that he seizes on the smallest opportunity, such as checking his Web site for e-mails from fans, to con...

Black Life

By Johnston Paul

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White Sea

By Johnston Paul

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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.