Marcus Tullius Cicero Books

Cicero's letters to his friends

By Cicero

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On Government

By Cicero

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"The creature you have to deal with, Romans, is not just a villainous crook" Cicero (106-43BC) was a key figure in the Roman Republic and a witness to its dramatic collapse into a dictatorship. T...

Cicero (106-43BC) was the most brilliant orator in Classical history. Even one of the men who authorized his assassination, the Emperor Octavian, admitted to his grandson that Cicero was: 'an eloqu...

An Attack on an Enemy of Freedom

By Cicero

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The Nature of the Gods

By Cicero

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Defence Speeches

By Cicero

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The Republic and The Laws

By Cicero

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Political Speeches

By Cicero

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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.