Sarah Iles Johnston Books

Ritual Texts for the Afterlife

By Graf Johnston

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Religions of the Ancient World

By Sarah Iles Johnston

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Religious beliefs and practices, which permeated all aspects of life in antiquity, traveled well-worn routes throughout the Mediterranean: itinerant charismatic practitioners journeying from place...

Ancient Religions

By Sarah Iles Johnston

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Oracles Divination and Prophecy in Ancient Greece

By Joan Johnston, Johnston Sarah Iles

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Ancient Greek Divination

By Joan Johnston

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Hekate Soteira

By Sarah Iles Johnston

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Hekate Soteira

By Sarah Iles Johnston

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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.