W. Rhys Roberts Books

The Three Literary Letters

By W. Rhys Roberts

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The Ancient Boeotians

By W. Rhys Roberts

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The Ancient Boeotians

By W. Rhys Roberts

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Aristotle Poetics. Longinus On the Sublime Demetrius

By Longinus, Donald A. Russell, W. Rhys Roberts, Aristotle, Demetrius.

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This volume brings together the three most original and influential ancient Greek treatises on literature. Artistotle's Poetics contains his treatment of Greek tragedy: its history, nature, and co...

Dionysius of Halicarnassus

By Dionysius Of Halicarnassus, W. Rhys Roberts

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Greek Rhetoric Literary Criticism

By W. Rhys Roberts

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Greek Rhetoric and Literary Criticism

By W. Rhys Roberts

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The ancient Boeotians and The coinage of Boeotia

By W. Rhys Roberts

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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.