Klaus Jensen Books

News of the World

By Klaus Jensen

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A Handbook of Media and Communication Research

By Klaus Jensen

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"A Handbook of Media and Communication Research presents qualitative as well as quantitative approaches to the analysis and interpretation of media, covering perspectives from both the social scien...

A Handbook of Media and Communication Research

By Klaus Jensen

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The social semiotics of mass communication

By Klaus Jensen

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The social semiotics of mass communication

By Klaus Jensen

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Making sense of the news

By Klaus Jensen, Klaus Bruhn Jensen

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Midnight Witch

By Klaus Jensen

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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.