Barbara Hannah Books

Jung sa vie et son oeuvre

By Barbara Hannah

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Striving towards wholeness.

By Barbara Hannah

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The archetypal symbolism of animals

By Barbara Hannah

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Lectures on Jung's Aion (Polarities of the Psyche) Paperback

By Barbara Hannah, Marie Louis Von Franz

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Aion, a major work from Jung's later years, has long been a source of fascination for a wide variety of scholars and thinkers. Presented here are two substantial commentaries on this rich and compl...

Encounters with the Soul

By Barbara Hannah

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Barbara Hannah, Jungian analyst and author, explores Jung's method of "active imagination," often considered the most powerful tool in analytical psychology for achieving direct contact with the un...

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.