Isabel Castro Books

A guide to the birds of the Galapagos Islands

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A Guide to the Birds of the Galapagos Islands covers every species to have been recorded within the archipelago, including accidentals and vagrants. Twenty eight color plates illustrate the species...

Kiwi

By Isabel Castro

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Bundle of Secrets

By Isabel Castro, Tony Siema, Mubina Hassanali Kirmani

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A guide to the birds of the Galapagos Islands

By Isabel C. Castro

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Libros para Colorear para Adultos Letra Grande Animales y Flores

By Isabel Castro

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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.