Roth Robert Books

The Natural Law Party

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The Natural Law Party: A Reason to Vote is Robert Roth's well-documented first-person account of the rise of America's fastest-growing political party - a party dedicated to breaking the two-party...

A practical guide to meditation by a leading authority shares insights into the scientific principles behind why and how Transcendental Meditation works to reduce stress, access inner power, and bu...

Strength in stillness

By Roth Robert

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Le droit penal face au risque et a l'accident individuels

By Roth Robert

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Histoire de l'archerie, arc & arbalete

By Roth Robert

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Unterwegs zum Horizont

By Roth Robert

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D' Langete chunnt!

By Roth Robert

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Der Wolkensegler

By Roth Robert

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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.