Mark Gatiss Books

The Return of Sherlock Holmes

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Conan Doyle's legendary detective is brought back to life in his most electrifying adventure yet, with a brand new introduction by Mark Gatiss co-creator of the hit BBC series Sherlock. After his...

DOCTOR WHO THE ROUNDHEADS Doctor Who The History Collection

By Mark Gatiss

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The Essex Files

By Jeremy Dyson, Mark Gattis

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They Came from Outer Space

By David Miller Undifferentiated, Mark Gatiss

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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.