Victor Rousseau Books

When New York department store magnate Cyrus Embrich is found stabbed to death at his office desk, the police have little evidence to go on. Embrich's secretary reveals that her employer had been i...

The man with the camera eyes

By Victor Rousseau

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Investigative lawyer Langton has solved many bizarre cases with the help of his friend Peter Crewe, who possesses such an extraordinary photographic memory that he never forgets a face. Here Langto...

Black Bargain Linford Mystery Library

By Victor Rousseau

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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.