Cath Senker Books

North and South Korea

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Our World Divided: North and South Korea explores the country's history from its partition into separate states and the subsequent war, to the development of a secluded, militarised government in...

The Anglo Saxons and Vikings

By Cath Senker

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Covers the period in Britain of the arrival of the Anglo-saxons in Britain in the year 400, the arrival of the Vikings 400 years later, and the daily lives and customs of these peoples.

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.