Hannelore Valencak Books

A tangled web

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Annie shares a fantasy with a classmate, swearing it to be true, and thus weaves a tangled web of deception which permeates her life and causes her much fear and misery.

A tangled web

By Hannelore Valencak

Average: 0.00, 0 Ratings

Annie shares a fantasy with a classmate, swearing it to be true, and thus weaves a tangled web of deception which permeates her life and causes her much fear and misery.

Vorhof der Wirklichkeit.

By Hannelore Valencak

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Erzahlungen.

By Hannelore Valencak

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Das Fenster zum Sommer

By Hannelore Valencak

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Das magische Tagebuch

By Hannelore Valencak

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Mein Tag-- mein Jahr

By Hannelore Valencak

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Mut im Bauch. 12 Geschichten uber Zivilcourage.

By Britta Groiss, Gudrun Likar, Hannelore Valencak

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Ich bin Barbara.

By Hannelore Valencak

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Das Treueversprechen

By Hannelore Valencak

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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.