George Willis Books

Twice bitten

By George Willis

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Twice bitten

By George Willis

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Permaculture: Principles and Practice

By George Willis

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Permaculture is the process of efficiently using the resources of natural environment and ecosystem in agricultural practices. The subject is very vast and includes branches like environmental desi...

Willis's Current Notes: A Series of Articles On Antiquities, Biography, Heraldry, History, Language, Literature, Natural History, Topography, &c. ... During the Year ... to the Publisher

By George Willis

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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.