Jack Hayford Books

How To Live Through a Bad Day EZ Lesson Plan

By Jack Hayford

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Off to Plymouth Rock

By Dandi Daley Mackall

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Easy, rhyming text describes the voyage of the Pilgrims, their work in building a new home in America, and their celebration held in thanksgiving for a rich harvest.

A passion for fullness

By Jack W. Hayford

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Hayford LifeWorks Library CD ROM

By Jack Hayford

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Hayford LifeWorks Library CD ROM

By Jack Hayford

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31 Days Meditating on the Majesty of Jesus

By Jack W. Hayford, Dick Eastman

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A new time & place

By Jack W. Hayford

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Pursuing the will of God

By Jack W. Hayford

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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.