Jack Williams Books

The book guides the exploring naturalist to water's edge destinations throughout North America including Canada and Alaska.Main sections of the book cover three ocean coastlines--Atlantic, Gulf of...

National Geographic Pocket Guide to the Weather of North America

By Jack Williams

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Everybody talks about the weather but how many really understand it? This little book is a basic reference on storms, sky phenomena, global patterns of wind and pressure, weather forecasting techni...

Robert Recorde

By Jack Williams

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Carving Found Wood

By Jack Williams, Vic Hood

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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.