Howard Garrett Books

Texas Bug Book: The Good, the Bad, and the Ugly

By Malcolm Beck

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The Poster Book of Antique Auto Ads

By Howard Garrett

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The Poster book of antique auto ads, 1898-1920

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J. Howard Garrett s Organic Manual

By J. Howard Garrett

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The Art of landscaping design

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Howard Garrett's step-by-step guide to the process of home landscaping, including designing, budgeting, constructing and maintaining your landscape profitably and artistically.

Organic Lawn Care

By Howard Garrett

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Organic Lawn Care

By Howard Garrett

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Organic Management for the Professional

By John Ferguson, Mike Amaranthus, Howard Garrett

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Texas Gardening the Natural Way

By Howard Garrett

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Dear Dirt Doctor

By Howard Garrett

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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.