David J. Pelzer Books

The Privilege of Youth

By David J. Pelzer

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The Privilege of Youth: The Inspirational Story of a Teenager's Search for Friendship and Acceptance

By David J. Pelzer

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Help Yourself: Real-life Advice for Real-life Challenges Facing Teenagers

By David J. Pelzer

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Before he became a teenager, Pelzer was subjected to horrific physical and mental abuse from his mother. During his teens the long road to recovery began and today Pelzer spends much of his working...

Man Named Dave

By David J. Pelzer

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A Child Called It

By David J. Pelzer

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Privilege of Youth

By David J. Pelzer

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Man Named Dave 36 Copy Dumpbin Header

By David J. Pelzer

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Child Called It 48 Copy Dumpbin

By David J. Pelzer

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Man Named Dave 18 Copy Dumpbin

By David J. Pelzer

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Man Named Dave 36 Copy Backlist Dumpbin

By David J. Pelzer

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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.