Simon Clark Books

Now Fetch Me an Axe

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Van Gogh paints works of transcendent genius, while in London a killer launches a reign of terror ... Nidabi is attacked by her master but is rescued just in time by Pastor Hux, a man who befriende...

Blood and Grit

By Simon Clark

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Only 500 copies of Blood and Grit were printed, with the first hundred copies being numbered, and signed. This copy is limited to 400 unsigned, unnumbered copies.

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.