Thomas Cairns Books

Modern Roses 10

By Thomas Cairns

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All Systems Go

By Thomas Cairns

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Forensic Hair Drug Testing

By Thomas Cairns

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Ortho's All About Roses

By Cairns Thomas Ph. D., Ortho Books, Thomas Cairns, Tommy Cairns

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The most compact, accessible & easy-to-use rose book in its price category. Selection & growing guide presents complete information for more than 300 varieties.

With a Passion for the Game the Memoirs of Professor Thomas W. Cairns

By Thomas Cairns, Ruby Wile

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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.