Marja Harmanmaa Books

Decadence Degeneration and the End

By Marja Harmanmaa, Jeffrey Walsh, Christopher Nissen

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"Decadence, Degeneration, and the End: Studies in the European Fin de Siècle provides a multidisciplinary overview of one of the more compelling cultural phenomena of the later nineteenth century....

Uusi uljas ihminen, eli modernin pimea puoli

By Marja Harmanmaa, Markku Mattila

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Kivettyneet ihanteet?

By Marja Harmanmaa, Timo Vihavainen

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Un patriota che sfido la decadenza

By Marja Harmanmaa

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Decadence Degeneration and the End

By Marja Harmanmaa, Jeffrey Walsh, Christopher Nissen

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Decadence Degeneration and the End

By Marja Harmanmaa, Christopher Nissen

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Christopher Caudwell

By Marja Harmanmaa, Christopher Pawling

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Christopher Caudwell

By Marja Harmanmaa, Christopher Pawling

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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.