Robert Green Books

A Thorn in Their Side is Robert Green's extraordinary pursuit of the truth about how and why his aunt Hilda Murrell, a noted English rose grower, met a violent and bizarre death. In 1984, at the ag...

Entering the World of Number

By Green Robert T., Veronica J. Laxon, Robert Green

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Ford Madox Ford: Prose and Politics

By R. Green

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First Books Ancient Biographies: Cleopatra

By Robert Green

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Tutankhamun Ancient Biographies No 1

By Robert Green

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Hannibal

By Robert Green

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Julius Caesar First Book

By Robert Green

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Cleopatra

By Green Robert

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Presents the life of the Egyptian queen whose dream of controlling most of the known world was never fulfilled even though she was allied to a powerful Roman.

Monarchs First Books

By Robert Green

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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.