Gunther Ohloff Books

Gunther Ohloff supplies the researcher and practitioner in the field with fascinating ideas and introduces the interested layman to the fascinating world of fragrance, scent, and perfumes. His book...

Scent and Chemistry

By Gunther Ohloff, Philip Kraft, Wilhelm Pickenhagen, Jean Claude Ellena

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Scent and Chemistry

By Gunther Ohloff, Philip Kraft, Wilhelm Pickenhagen, Jean Claude Ellena

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Riechstoffe und Geruchssinn

By Gunther Ohloff

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Earthly Scents Heavenly Pleasures

By Gunther Ohloff

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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.