Filip Wittlich Books

Art of the long century 1796 1918

By Filip Wittlich, Otto M. Urban, Veronika Hulikova, Lucie Kasikova

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Formerly intended for trade fairs, this gem of Czech Functionalist architecture has been the seat of the National Gallery Prague from 1976. Built in 1925-1928 after the plans of architects Josef Fu...

Fotografie primy svedek

By Filip Wittlich

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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.