John T. Chirban Books

How to talk with your kids about sex

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"Unfortunately, for many parents, the most important conversations are the hardest. Ninety-three percent of adults are dissatisfied with the sex education they received as children, which is precis...

Personhood

By John T. Chirban

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Healing

By John T. Chirban

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Youth and sexuality

By John T. Chirban

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Marriage and the Family Medicine Psychology Religion

By John T. Chirban

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What s Love Got to Do With It

By John T. Chirban

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What's Love Got To Do With IT is a Mom's Choice Awardsʼ Gold Recipient. Unfortunately, for many parents, the most important conversations are the hardest. Ninety-three percent of adults are dissati...

Collateral Damage

By Tom Parks, Dr. John Chirban, Dr. Phil McGraw

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Sickness or sin

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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.