Marek Krajewski Books

Death in Breslau

By Marek Krajewski

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Phantoms of Breslau

By Marek Krajewski

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Investigating the murder of four sailors on an island in the River Oder, Criminal Assistant Mock searches the brothels and drinking dens of Breslau for information on the crime only to discover tha...

Hands On High Performance Programming with Qt 5

By Marek Krajewski

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The minotaur s head

By Marek Krajewski

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When Abwehr Captain Eberhard Mock is called from his New Year's Eve revelries to attend a particularly grisly crime scene, his notoriously robust stomach is turned. A young girl - and suspected spy...

Death in Breslau

By Marek Krajewski

Average: 0.00, 0 Ratings

Phantoms of Breslau

By Marek Krajewski

Average: 0.00, 0 Ratings

The minotaur s head

By Marek Krajewski

Average: 0.00, 0 Ratings

When Abwehr Captain Eberhard Mock is called from his New Year's Eve revelries to attend a grisly crime scene, his notoriously robust stomach is turned. A young girl - and suspected spy - who arrive...

The minotaur's head

By Marek Krajewski

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Les fantomes de Breslau

By Marek Krajewski

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Fin du monde a Breslau

By Marek Krajewski, Charles Zaremba

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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.