Hemming John Books

Red Gold the Conquest of the Brazilian I

By Hemming John

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Maraca

By Hemming John, J.A. Ratter

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Red Gold Conquest of the Brazilian India

By Hemming John

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By far the world's largest river, the Amazon flows through the greatest expanse of tropical rain forest on earth. Human beings settled in Amazonia ten thousand years ago and learned to live well on...

Philip s Atlas of Exploration History Atlas

By Hemming John

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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.