Lene Melheim Books

Recycling ideas

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The aim of the study is to examine technological, cognitive and symbolic aspects of metallurgy in southern Norway from the Bronze Age (i.e. 1700-500 cal. BC to the beginning of the Late Neolothic,...

Comparative Perspectives on Past Colonisation Maritime Interaction and Cultural Integration

By Hakon Glorstad, Lene Melheim, Zanette Tsigaridas Glorstad

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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.