Michael Philip Harris Books

Birds of St. Kilda

By Michael Philip Harris, Institute Of Terrestrial Ecology.

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A field guide to the birds of Galapagos

By Michael Philip Harris

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The Collins Field Guide to the Birds of Galapagos

By Michael Philip Harris

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The puffin

By Michael Philip Harris

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This study of the life history of the Atlantic puffin, (Fratercula arctica) a member of the auk family, includes surveys of breeding populations in all circumpolar countries, details of hunting by...

Birds of St. Kilda

By Michael Philip Harris

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Puffin

By Mike P. Harris, Sarah Wanless

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Puffin

By Mike P. Harris, Sarah Wanless

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Puffin

By Mike P. Harris, Sarah Wanless

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A Field Guide To The Birds Of Galapagos.

By Michael Philip Harris

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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.