G. Robert Carlsen Books

American Literature a Chronological Approach Grade 11 Student

By G. Robert Carlsen

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Die Marchen von Beedle dem Barden

By G. Robert Carlsen, J. K. Rowling

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Welcher ordentliche Zauberer kennt sie nicht: die großartigen alten Märchen, die Beedle der Barde für die magische Gemeinschaft gesammelt hat? Jedem Zaubererkind werden sie abends vorgelesen. Nur H...

Quidditch im Wandel der Zeiten

By G. Robert Carlsen, J. K. Rowling

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Phantastische Tierwesen und wo sie zu finden sind

By G. Robert Carlsen, J. K. Rowling

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Tim und Struppi. Tim im Lande der Sowjets Tintin German edition

By G. Robert Carlsen, Herge

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Dental Morphology

By G. Robert Carlsen

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Crestfallen

By G. Robert Carlsen

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Social Work Manpower in Mental Health Program

By G. Robert Carlsen

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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.