Lona McGregor Books

Animal Farm

By Lona McGregor, Iona MacGregor, Tony Buzan

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A study guide to the political satire in which the animals take over running the farm, featuring discussion of themes, setting, characters, style, language, and viewpoint, and including pictures, g...

Portrait of the Artist as a Young Man

By Lona McGregor, Iona MacGregor, Tony Buzan

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The Crucible

By Lona McGregor, Tony Buzan, Written By Lona McGregor, With Tony Buzan, Lona MacGregor

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This book is an analysis of the play only and does not include the original text of the play. Here, especially for high school students, is an analysis and summary of Arthur Miller's famous play. T...

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.