Stephan Orth Books

Couchsurfing in Iran

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The author recounts the sixty-two days he spent traveling around Iran, providing a behind-the-scenes look at life in one of the world's most closed societies, including what he calls the "two Irans...

High tech and hot pot

By Stephan Orth

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Sorry Ihr Hotel ist abgebrannt

By Stephan Orth

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Hotelzimmer aus der Ho lle, verwechselte Zielorte, unglaubliche Abzockertricks: Die scho nste Zeit des Jahres kann im Handumdrehen zum Fiasko geraten. Mit diesem Reisefu hrer der lustigsten Pannen...

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.