Hazel Estella Barnes Books

Existentialist Ethics

By Hazel Estella Barnes

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The story I tell myself

By Hazel Estella Barnes

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The Story I Tell Myself is an engrossing account of one woman's psychological liberation from a false sense of what she wanted to be, and of the gradual development of a personal philosophy she was...

The Story I Tell Myself: A Venture in Existentialist Autobiography

By Hazel E. Barnes

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The university as the new church

By Hazel Estella Barnes

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An existentialist ethics.

By Hazel Estella Barnes, Hazel E. Barnes

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Sartre

By Hazel Estella Barnes

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Sartre

By Hazel Estella Barnes

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Sartre

By Hazel Estella Barnes

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Humanistic Existentialism

By Hazel E. Barnes

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Sartre and Flaubert

By Hazel E. Barnes

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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.