John Patterson Books

The Bill of Rights
The Bill of Rights

By John Patterson

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40 presidents
40 presidents

By John Patterson, Joan Bumann

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Highlights the achievements, in and out of office, of the presidents and gives interesting facts about their families.

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Build Your Own Air Conditioner or Dehumidifier
Eight Questions About Sexuality
Sociology for Everyone, First Edition with MySocLab
Oxford Assess and Progress: Medical Sciences
Lyric Touches
Lyric Touches

By John Patterson

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Ambitious Professional s Guide to Surplus
Book of Letters
Johnson and Friends

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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.

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