Allan Hall And Michael Leidig Books

Girl in the Cellar - The Natascha Kampusch Story

By Hall Allan, Michael Leidig, Allan Hall And Michael Leidig

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Om den østrigske Natascha Kampusch (f. 1988), der blev kidnappet som 10-årig og holdt indespærret i en kælder til hun flytgede otte år senere

The Girl in the Cellar

By Allan And Leidig Michael Hall

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Girl in the Cellar Ssa

By Hall Allan, Michael Leidig

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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.