Jeremy Roberts Books

Biographical account of Adolf Hitler, the leader of the Nazi Party, whose anti-semitism and Jewish Holocaust established him as one of the cruelest dictators in history.

Drugs and Dieting The Drug Abuse Prevention Library

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Abraham Lincoln

By Jeremy Roberts

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Profiles the self-educated man who arose from poverty to become the sixteenth president of the United States, focusing on how his virtues enabled him to overcome many personal and political difficu...

James Madison

By Jeremy Roberts

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A biography of the fourth president of the United States, who helped ensure ratification of the Constitution and the Bill of Rights.

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.