Andrew Hahn Books

What Works in Youth Employment Policy

By Robert Lerman, Andrew Hahn

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God s Boy

By Andrew Hahn

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The One-Hour Miracle: A 5-Step Process To Guide Your Self-Healing: Change The Story, Re-Author Your Life

By Joan Beckett, Andrew Hahn, Andrew Hahn Psy.D., Joan Beckett M.B.A. M.A. L.M.H.C., Andrew Hahn, PsyD

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A revolutionary healing framework that is a blueprint for transforming most problems, ranging from the most pedestrian to the most treatment resistant. And sometimes, the transformation simply take...

One Hour Miracle A 5 Step Process to Guide Your Self Healing

By Joan Beckett, Andrew Hahn

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Dropouts in America

By Andrew Hahn

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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.