Stig Tenold Books

Tankers in Trouble

By Stig Tenold

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Shipping and Globalization in the Post War Era

By Nicholas J. White, Niels P. Petersson, Stig Tenold

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Norwegian Shipping in the 20th Century

By Stig Tenold

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Economics; Management science; Shipping

Aspects of economic growth and development in East and South East Asia NUPI report

By Stig Tenold

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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.