Ragnar Arnason Books

The cost of fisheries management

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Rights Based Fishing NATO Science Series E

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The Icelandic Fisheries

By Ragnar Arnason

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Advances in Fisheries Economics

By Daniel Gordon, Ussif Rashid Sumaila, Ragnar Arnason

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Economics of ocean ranching

By Ragnar Arnason

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"The author distinguishes between ocean fish farming and ocean ranching. The distinguishing characteristic of ocean ranching is that the released species are unassisted once released into the ocean...

Advances in Fisheries Economics

By Trond Bjorndal, Ragnar Arnason, Daniel Gordon, Ussif Rashid Sumaila

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Advances in Fisheries Economics

By Trond Bjorndal, Ragnar Arnason, Daniel Gordon, Ussif Rashid Sumaila

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Advances in Fisheries Economics

By Trond Bjorndal, Ragnar Arnason, Daniel Gordon, Ussif Rashid Sumaila, Frank Asche

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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.