Brutus Östling Books

Penguins: The Secret Lives of the World's Most Intriguing Birds

By Brutus Ostling

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Life on the Wing: Remarkable Birds and their Extraordinary Lives

By Brutus Ostling

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Illustrated with photographs taken around the world, this title shows the range of lifestyles that birds have used to become one of the most successful groups. From the Arctic to the Antarctic and...

Kingdom of the Eagle

By Brutus Ostling

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Konsten att fotografera faglar och andra djur

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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.