John Decker Books

Planning and Administering Early Childhood Programs

By John R. Decker, Celia A. Decker, Nancy K. Freeman

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Illinois Criminal Law Student Edition

By John Decker, Christopher Kopacz

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Illinois criminal law

By John F. Decker

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CEO

By John C. Decker

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"How does a good CEO deliver value? An ideal resource for all aspiring executives, this book provides a comprehensive portrait of the CEO's role and a clearly defined roadmap for acquiring the skil...

Holy Spirit Empowered Small Groups

By John Decker, Sonja Decker

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Doing What Jesus Did

By John Decker, Sonja Decker

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Planning and Administering Early Childhood Programs

By John R. Decker, Celia A. Decker, Nancy K. Freeman

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Planning and Administering Early Childhood Programs Enhanced Pearson EText Access Card

By John R. Decker, Celia A. Decker, Nancy K. Freeman

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Illinois Criminal Law Student Edition

By John Decker, Christopher Kopacz

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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.