Cay Rademacher Books

Drei Tage im September

By Cay Rademacher

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Mord im Praetorium

By Cay Rademacher

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Deadly Camargue

By Cay Rademacher

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Murderous Mistral

By Cay Rademacher

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Murderous mistral

By Cay Rademacher

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"International Dagger Award shortlisted author of The Murderer in Ruins, Cay Rademacher, delivers a beautifully atmospheric new story with a captivating main character in Murderous Mistral: A Prove...

Murderous Mistral

By Cay Rademacher

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The murderer in ruins

By Cay Rademacher

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Hamburg, 1947. A ruined city occupied by the British who bombed it, experiencing the coldest winter in living memory. Food and supplies are rationed; refugees and the homeless are crammed into conc...

L assassin des ruines Grands Formats French Edition

By Cay Rademacher

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L assassin des ruines

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L Orphelin des Docks Masque Poche French Edition

By Cay Rademacher

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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.