McMahon Robert Books

The two poets of Paradise lost

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Most Miltonists have treated Paradise Lost as a static design, emphasizing its balance, but McMahon stresses its movement. He explores the differences between the poem's earlier and later books, li...

Understanding the medieval meditative ascent

By McMahon Robert

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Augustine's prayerful ascent

By McMahon Robert

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Thinking about literature

By McMahon Robert

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The Environmental Protection Agency

By McMahon Robert, Robert Mcmahon

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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.