Jonathan Cain Books

Military policemen in Saigon, led by Sergeant Mark Stryker, investigate an assassination plot against Captain Moast, a reckless and unpopular army officer

Cherry Boy Body Bag Saigon Commandos No 4

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Boonie Rat Body Burning Saigon Commandos No 5

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Sac Mau Victor Charlie Saigon Commandos No 7

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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.