Nicholas Redfern Books

Space Girl Dead on Spaghetti Junction

By Nicholas Redfern

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Science fiction secrets

By Nicholas Redfern

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This book presents some mind-bending answers to a number of highly intriguing and thought-provoking questions.

Final Events and the Secret Government Group on Demonic Ufos and the Afterlife

By Nick Redfern

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Cover Ups Secrets

By Nick Redfern, Ellis Evans

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La estirpe de los dioses

By DAVID N. M.GEORGES, NICK REDFERN

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A Covert Agenda

By Nicholas Redfern

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Cosmic Crashes

By Nicholas Redfern

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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.