Jeff Walker Books

101 Championship Baseball Drills 101 Drills

By Glenn Cecchini, Raissa Cecchini, Jeff Walker

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Launch

By Walker Jeff Internet Entrepreneur

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Launch

By Walker Jeff Internet Entrepreneur

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Bob Marley and the Golden Age of Reggae

By Kim Gottlieb Walker

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Hundreds of candid and intimate photographs of the artists and producers who brought the reggae sound to the international stage, captivating a generation. Includes never-before-seen shots of Peter...

Coaching Football s Midline Option

By Jeff Walker, Terry Siddall

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Coaching football's 50 defense

By Jeff Walker

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Launch

By JEFF WALKER

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Logical Database Design Principles

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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.