Hanna Salmi Books

Verbal and Visual Communication in Early English Texts

By Janne Skaffari, Aleksi Makilahde, Mari Liisa Varila, Matti Peikola, Hanna Salmi

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Imagined Germany: Richard Wagner's National Utopia

By Hannu Salmi, Hanna Salmi

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"Richard Wagner (1813-1883) has often been regarded as a symbol of "Germanness." Despite this view, few studies have been undertaken regarding his nationalistic thinking. Imagined Germany focuses o...

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.