Robert Green Books

First Books Ancient Biographies: Cleopatra

By Robert Green

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First Book: Alexander the Great

By Robert Green, Green Robert

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Describes the life, battle campaigns, influence on the ancient world, and mythological status of the champion of the Greeks who marched his armies as far as India.

Herod the Great

By Robert Green, Green Robert

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Queen Victoria

By Robert Green, Green Robert

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A biography of the nineteenth-century queen who ruled Britain longer than any other monarch.

Dios tiene un proposito contigo

By Robert Green

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DIOS TIENE UN PROPÓSITO CONTIGO Prólogo por CHRISTINE D´CLARIO Encontrar tu propósito en la vida es una de las tareas más difíciles de lograr si pretendes hacerlo solo. Pero al descubrir el amor de...

Tying Their Shoes

By Robert Green

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The nursery is ready, but are you? To help expectant parents prepare for a new little one, Rob and Stephanie Green apply the gospel to the detail of parenting. Soon-to-be parents and even long-time...

Joined

By Robert Green

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Popularity of Home Based Business

By Robert Green

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Influence of Courage and Confidence

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.