Marianne Gruber Books

Marianne Gruber. Ausgewahlte Gedichte

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Spinne, und andere dunkelschwarze Geschichten

By Marianne Gruber

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The sphere of glass

By Marianne Gruber

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The death of the plover and Trace of the buckskin

By Marianne Gruber

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Set in a remote Austrian village, both The Death of the Plover and Trace of the Buckskin depict strong-willed individuals who review their flawed lives honestly and courageously and confront their...

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.