Karina Reiss Books

Wenn die Nacht am dunkelsten ist

By Karina Reiss, Tanja Neise

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Corona, False Alarm?

By KARINA REIB

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Does the race for vaccine development make sense? What are the chances of success? Will the vaccine be safe? Will people accept it??In June 2020, Corona, False Alarm? exploded into the German marke...

Corona ontmaskerd

By Sucharit Bhakdi, Karina Reiss

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Corona, False Alarm?

By KARINA REIB

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Runa de Sangue

By Karina Reiss, Jose Castro

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Rune Di Sangue

By Karina Reiss, Alessandra Sole

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Herzklopffinale

By Karina Reiss

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Blutrune

By Karina Reiss

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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.