Ken Simpson Books

Fertilizers and Manure

By Kenneth Simpson

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Field guide to the birds of Australia

By Nicolas Day, Simpson Ken, Peter Trusler

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A field guide to the birds of Australia: The most complete one-volume book of identification

By Ken Simpson

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The Princeton field guide to the birds of Australia

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"In 132 color plates, Nicolas Day captures the details of all 770 of the continent's birds. A text by Ken Simpson and other experts in the field addresses key points of identification while the boo...

Birds of Australia

By Nicolas Day, Ken Simpson

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Field Guide to the Birds of Australia Helm Field Guides

By Nicolas Day, Ken Simpson

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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.