Gordon P. DeWolf Books

Guide to Roses Taylor s Guides to Gardening

By Norman Taylor

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Taylor's Guide to Houseplants

By Donald Wyman

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Includes visual key, section on orchid growing, information chart for 322 plants, and "more than 400 color photographs and 200 black-and-white drawings."

Taylor's Guide to Ground Covers, Vines and Grasses

By Norman Taylor, Taylor S Guide

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Describes over three hundred species and varieties of ground covers, vines, and grasses with tips on selecting the right plant for the right place and advice for both amateurs and professionals.

Taylor s Guide to Water Saving Gardening

By Gordon P. Dewolf

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Colonial gardens

By Rudy J. Favretti

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Flora exotica

By Gordon P. DeWolf

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Taylor Special Masterguide

By Gordon P. DeWolf

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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.