Simon Guerrier Books

The Further Adventures of Sherlock Holmes - The Great War

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In a new gripping and immersive adventure Sherlock Holmes investigates collusion and conspiracy in the Belgian trenches of World War One.December 1917. An important visitor arrives at a field hospi...

Doctor Who Classic Doctors New Monsters

By John Dorney, Simon Guerrier, Scott Handcock, Matt Fitton

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Whographica

By Steve O Brien, Simon Guerrier, Ben Morris

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Pirate Loop

By Simon Guerrier

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Bernice Summerfield 8.6 Wake Bernice Summerfield Big Finish

By Simon Guerrier

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The Key 2 Time The Judgement Of Isskar

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The Guardian Of The Solar System

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The Memory Cheats

By Wendy Padbury, Simon Guerrier, Charlie Hayes

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Zodiac

By Jacqueline Rayner

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The Lost Museum Professor Bernice Summerfield

By Simon Guerrier

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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.