David Keyes Books

R for the Rest of Us

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Learn how to use R for everything from workload automation and creating online reports, to interpreting data, map making, and more.Written by the founder of a very popular online training platform...

What If My Nana Was a Banana

By Lauren Lowen, Christa Fletcher, David Keyes

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Cinemaphile the Complete Writings 2017 2018

By David Keyes

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High Performance Computing

By Rio Yokota, Pavan Balaji, David Keyes, Julian M. Kunkel

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Black Rainbow of Oz

By David Keyes, Jackson Smith

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One Cat Two Cat New Cat

By Ammar Degas, David Keyes, Michele Keyes

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Cinemaphile the Complete Writings 2015

By David Keyes

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Cinemaphile the Complete Writings 2003 2004

By David Keyes

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Dirty Secrets of the Pickup Artist

By David Keyes

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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.