Joanna Egert Romanowska Books

Germany

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DK Eyewitness Travel Guide: Germany takes you by the hand, leading you straight to the best attractions this country has to offer, from its beautiful castles and cathedrals to its popular beer hall...

Germany

By Malgorzata Omilanowska, Joanna Egert Romanowska

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Austria

By Janina Kumaniecka, Joanna Egert Romanowska, Teresa Czerniewicz Umer

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Germany

By Magorzata Omilanowska, Joanna Egert Romanowska

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Austria

By Janina Kumaniecka, Joanna Egert Romanowska, Teresa Czerniewicz Umer

Average: 0.00, 0 Ratings

Germany

By Joanna Egert Romanowska

Average: 0.00, 0 Ratings

Packed with photographs, illustrations, and detailed maps, DK Eyewitness Travel Guide: Germany will lead you straight to the very best of this beautiful country, from its beautiful castles and cath...

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.