Roderich Ptak Books

Portugal in China
Portugal in China

By Roderich Ptak

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China and the Asian seas
China and the Asian seas

By Roderich Ptak

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Sudostasien-Handuch
Sudostasien-Handuch

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Die maritime Seidenstrasse
Die maritime Seidenstrasse

By Roderich Ptak

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Fujian Penghu Taiwan
Fujian Penghu Taiwan

By Roderich Ptak

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Hainan
Hainan

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Mirabilia Asiatica
Mirabilia Asiatica

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Zheng He
Zheng He

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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.

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