Wojciech Eichelberger Books

Zycie w micie

By Wojciech Eichelberger, Beata Pawlowicz

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O co pytaja dzieci

By Wojciech Eichelberger

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Jak wychowac szczesliwe dzieci

By Wojciech Eichelberger

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Co z tym swiatem

By Wojciech Eichelberger

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Zatrzymaj sie

By Wojciech Eichelberger

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Zbiór wywiadów publikowanych w miesięczniku Zwierciadło w cyklu "Sam na sam z terapeutą".

Meditation The Art of Zanabazar and His School

By Uranchimeg Tsultem Wojciech Eichelberger

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Mezczyzna tez czlowiek

By Wojciech Eichelberger

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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.