Daniel Kollar Books

The Slovak-Austrian-Hungarian Danubeland

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Slovakia

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Highly illustrated with colour photographs, maps and drawings, this book contains information about Slovakia, its culture, people, history, geographical features, climate and economy.

Slovensko Slowakei Slovakia.

By Daniel Kollar

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Trnava a okolie na starych pohladniciach

By Daniel Kollar

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Synagogy

By Daniel Kollar

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Slowakije Op bezoek in ...

By Daniel Kollar

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Looking at Slovakia Looking at Europe

By Daniel Kollar

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Atlas kulturnych zaujimavosti Slovenska

By Daniel Kollar

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Nejkrasnejsi horske silnice Slovenska

By Daniel Kollar

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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.