Harold Davis Books

Successful fine art photography

By Harold Davis

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Advanced monitoring and procedures for small animal emergency and critical care

By Harold Davis, Jamie M. Burkitt Creedon

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Since the days of the first photographs, artists have used various techniques to extend the range of lights and darks in their photos. Photographic masters such as Ansel Adams and Edward Weston spe...

Tougher than bullets

By Harold Davis

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Composition & Photography

By Harold Davis

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Own composition, use composition, and make composition your own in your photographs! Of all the magical elixirs that make up a successful photograph, composition is perhaps the most fundamental, an...

In Everybody There Is a Story

By Harold Davis, Rene Dickerson Davis

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Creating HDR Photos

By Harold Davis

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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.