John Chirban Books

Collateral damage

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"Based on research collected from more than 10,000 participants--including both divored parents with children and the children themselves--Collateral Damage presents an overview of the impact that...

How to Talk with Your Kids about Sex

By John Chirban

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Clergy sexual misconduct

By John T. Chirban

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Psychologie der Befreiung

By John Chirban, Ken Wilber, Daniel P. Brown, Jack Engler

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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.