Helle Helle Books

This Should Be Written in the Present Tense

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Dorte is twenty and adrift, pretending to study literature at Copenhagen University. In reality she is riding the trains and clocking up random encounters in her new home by the railway tracks. She...

Chienne de vie French Edition

By Helle Helle

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Haus und Heim.

By Helle Helle

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Haus und Heim.

By Helle Helle

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Bu Simdiki Zaman Kipinde Yazilmaliydi

By Helle Helle

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Hus Og Hjem

By Helle Helle

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Forestillingen om et ukompliceret liv med en mand

By Helle Helle

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Ned til hundene

By Helle Helle

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Rodby-Puttgarden

By Helle Helle

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Het idee van een ongecompliceerd leven met een man

By Helle Helle

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Als drie uiteenlopende personen noodgedwongen samenwonen, blijven spanningen niet uit.

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.