Panos Valavanes Books

Games and Sanctuaries in Ancient Greece

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"Games and Sanctuaries in Ancient Greece celebrates the athletes, the games, the sanctuaries, the cities, and above all, the inspiring spirit of the ancient Greeks over a span of a millennium and a...

Delphi and its museum

By Panos Valavanes

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Ta angeia kai ho kosmos tous

By Ioanna Phoka

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Egraphsen kai epoiesen

By Panos Valavanes, Helene P. Manakidou, Michales A. Tiverios

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Ho lophos me ta krymmena mystika

By Panos Valavanes

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Delphoi

By Panos Valavanes

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Euergesie

By Panos Valavanes, Panagiotes I. Kontos, Giannes K. Promponas

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Panathenaikoi amphoreis apo ten Eretria

By Panos Valavanes

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Hiera kai agones sten archaia Hellada

By Panos Valavanes

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Great moments in Greek archaeology

By Panos Valavanes, George Fletcher Bass

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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.