Robert C. Knapp Books

Roman Cordoba

By Robert C. Knapp

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Latin inscriptions from central Spain

By Robert C. Knapp

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Excavations at Nemea III

By Robert C. Knapp, John D. Mac Isaac

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The dawn of Christianity

By Robert C. Knapp

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Ordinary people of antiquity interacted with the supernatural through a mosaic of beliefs and rituals. Exploring everyday life from 200 BCE to the end of the first century CE, Robert Knapp shows th...

Finis Rei Publicae Eyewitness to the End of the Roman Republic An Intermediate Latin Text Second Edition Focus Texts For Classical Language Study

By Robert C. Knapp, Pamela Vaughn

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The dawn of Christianity

By Robert C. Knapp

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Invisible Romans

By Robert C. Knapp

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Invisible Romans

By Robert C. Knapp

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Skrytaia zhizn Drevnego Rima

By Robert C. Knapp

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Los olvidados de Roma

By Robert C. Knapp, Jorge Paredes

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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.