Alpo Honkapohja Books

Alchemy medicine and commercial book production

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"The Voigts-Sloane group of Middle English manuscripts, first described by Professor Emerita Linda Voigts in 1990, has attracted much curiosity and scholarly attention. The manuscripts exhibit a de...

Alchemy, medicine, and commercial book production

By Alpo Honkapohja

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English Historical Linguistics

By Lisa Gotthard, Alpo Honkapohja, Bettelou Los, Benjamin Molineaux, Chris Cummins

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English Historical Linguistics

By Lisa Gotthard, Alpo Honkapohja, Bettelou Los, Benjamin Molineaux, Chris Cummins

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New Approaches to English Linguistics

By Alpo Honkapohja, Olga Timofeeva, Anne Christine Gardner, Sarah Chevalier

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New Approaches to English Linguistics

By Alpo Honkapohja, Olga Timofeeva, Anne Christine Gardner, Sarah Chevalier

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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.