Nathan M. Greenfield Books

"The Damned tells the largely unknown saga of Canada's first land battle of the Second World War - fought in the hills and valleys of Hong Kong in December 1941--and the terrible years the survivor...

Forgotten

By Nathan M. Greenfield

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The reckoning

By Nathan M. Greenfield

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Discusses the experiences of Canadian prisoners of war during the First World War.

Anything but a Still Life

By Nathan Greenfield

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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.