Donald Wyman Books

Wyman's Gardening Encyclopedia, Revised & Expanded Edition

By Donald Wyman

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Trees for American Gardens Revised and enlarged 1965 edition

By Donald Wyman

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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."

Easy Gardens

By Donald Wyman

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Provides information, and instruction on planning and caring for a low-maintenance garden and includes a list of easy-care plants.

Easy Gardens

By Donald Wyman

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Provides information, and instruction on planning and caring for a low-maintenance garden and includes a list of easy-care plants.

Wyman s Gardening Encyclopedia

By Donald Wyman

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Easy Gardens A Bill Slider Mystery

By Donald Wyman

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Words of War

By Curtis Prendergast, Donald Wyman

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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.