Gudrun Erla Books

Stripology Mixology 3

By GE Designs, Gudrun Erla

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Die ausseren geologischen Krafte, die Erdoberflache und die geologische Tatigkeit des Wassers

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Gudrun takes you on a journey of her home country of Iceland through her quilts that are inspired by nature, Iceland¿s history of handwork and the heritage of Icelanders. The journey is complete wi...

Fast2cleanTM Stars & Strips Mini Microfiber Static-Cling Cleaners POP Display

By Barbara H. Cline, Gudrun Erla

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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.