Leiv Marsteintredet Books

Presidential Breakdowns in Latin America

By Leiv Marsteintredet, M. Llanos

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Latin America in Times of Turbulence

By Mariana Llanos, Leiv Marsteintredet

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Presidential Breakdowns in Latin America

By Mariana Llanos, Leiv Marsteintredet

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Norge i Latin Amerika

By Leiv Marsteintredet

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Despite long traditions for contact with Latin America, increasing trade and investments in the region and important contributions to the recent peace process in Colombia, Latin America is often de...

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.