Gertrud Lenzer Books

Auguste Comte and Positivism

By Gertrud Lenzer, Auguste Comte

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Auguste Comte and Positivism

By Gertrud Lenzer, Auguste Comte

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"Although Auguste Comte is conventionally acknowledged as one of the founders of sociology and as a key representative of positivism, few new editions of his writings have been published in the Eng...

Assimilation Versus Separation

By Aaron Wildavsky, Gertrud Lenzer

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Auguste Comte and Positivism

By Gunter Bischof, Gertrud Lenzer

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Violence Against Children

By Gertrud Lenzer

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Violence Against Children

By Gertrud Lenzer

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Auguste Comte and Positivism

By Gertrud Lenzer

Average: 0.00, 0 Ratings

Auguste Comte and Positivism

By Gertrud Lenzer

Average: 0.00, 0 Ratings

Auguste Comte and Positivism

By Gertrud Lenzer

Average: 0.00, 0 Ratings

Auguste Comte and Positivism

By Gertrud Lenzer

Average: 0.00, 0 Ratings

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.