David Willis Books

Plan Your Bathroom: Hundreds Of Design Combinations At-a-glance

By Lorrie Mack

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Home Color Bible: 1,000 Gorgeous Combinations for Every Room

By David Willis

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Illustrates hundreds of color combinations, organized by room and then by color, with harmonious, contrasting, and accent shades, and includes reference photographs showing the color schemes' effec...

Introduction to Accounting

By WILLIS

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Rules Patterns and Words

By Dave Willis

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Rules Patterns and Words

By Dave Willis, David Willis

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Basic oral communication skills

By David Willis

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IVow

By Dave Willis

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IHS Jane s All the World s Aircraft

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Jane s All the World s Aircraft Development Production 2016 2017

By Bill Gunston

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Clues to the Nicene Creed

By David Willis

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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.