Mario Jacoby Books

Das Bose im Marchen

By Verena Kast, Mario Jacoby, Ingrid Riedel

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Shame and the Origins of Self-Esteem

By Mario Jacoby

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Shame manifests itself in many ways. We may have feelings of inferiority, humiliation, shyness or embarrassment. It also makes us fearful of entering into shameful situations. In particular, we are...

Shame and the Origins of Self Esteem

By Mario Jacoby

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Jungian Psychotherapy and Contemporary Infant Research

By Mario Jacoby

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Jungian Psychotherapy and Contemporary Infant Research

By Mario Jacoby

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Witches Ogres and the Devil s Daughter

By His Holiness Tenzin Gyatso The XIV Dalai Lama, Verena Kast, Mario Jacoby, Ingrid Riedel

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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.