Alan H. Sommerstein Books

Aulularia

By Walter Stockert, Alan H. Sommerstein, Plautus, Keith MacLennan

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Oaths and Swearing in Ancient Greece

By Alan H. Sommerstein

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The oath was an institution of fundamental importance across a wide range of social interactions throughout the ancient Greek world, making a crucial contribution to social stability and harmony; y...

Oath and state in Ancient Greece

By Alan H. Sommerstein

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Oath and state in Ancient Greece

By Alan H. Sommerstein

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Oaths and Swearing in Ancient Greece

By Alan H. Sommerstein, Isabelle C. Torrance

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Indexes

By Alan H. Sommerstein

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Modern phonology

By Alan H. Sommerstein

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Greek Drama and Dramatists

By Alan H. Sommerstein

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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.