Jon Palfreman Books

Brain storms

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"Seven million people worldwide suffer from Parkinson's-- with sixty thousand new cases diagnosed each year in the U.S. alone-- and it remains an enigma, with doctors, researchers, and patients hun...

Brain Storms

By Jon Palfreman

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The Dream Machine

By John Palfreman, Doron Swade, Jon Palfreman

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Dream Machine

By Doron Swade, Jon Palfreman

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Brain Storms

By Sean Runnette, Jon Palfreman

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Brain Storms

By Jon Palfreman

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Brain Storms

By Jon Palfreman

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Brain Storms

By Jon Palfreman

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Brain Storms

By Jon Palfreman

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Sturme im Gehirn

By Jon Palfreman

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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.