Tom Christopher Books

Architecture in the Garden

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A primer on the elements and art of garden architecture explains how to plan and construct a garden to suit any taste, focusing on such key elements as fences, walls, walkways, paths, sheds, lighti...

The 20 Minute Gardener

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In the Land of the Blue Poppies

By Edited, With An Introduction By Tom Christopher

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A Modern Library Paperback OriginalDuring the first years of the twentieth century, the British plant collector and explorer Frank Kingdon Ward went on twenty-four impossibly daring expeditions thr...

More ways than one of fighting a war

By Eric Charles Claxton, Tom Christopher

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The artful garden

By James Van Sweden

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Annuals with Style

By Michael Ruggiero

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The 20 Minute Gardener

By Thomas Christopher, Marty Asher

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Siam Correspondence

By Tom Christopher

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Siam Correspondence

By Tom Christopher

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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.