Barbara K. Lewalski Books

The Norton Anthology of English Literature

By Stephen Greenblatt, Carol T. Christ, Alfred David, Lawrence Lipking, Barbara K. Lewalski

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The Life of John Milton

By Barbara Kiefer Lewalski

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"John Milton's many and various works include magnificent poems, polemics, history, theology, and treatises on political, ecclesiastical, educational, and social issues. No writer before Milton def...

Paradise lost

By John Milton

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Paradise Lost

By John Milton

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Norton Anthology of English Literature

By Stephen Greenblatt, Barbara Kiefer Lewalski, Carol T. Christ, Alfred David, Lawrence Lipking

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Paradise Lost

By John Milton, Barbara K. Lewalski

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Life of John Milton

By Barbara K. Lewalski

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Life of John Milton

By Barbara K. Lewalski

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The Life of John Milton

By Barbara Kiefer Lewalski

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Paradise Lost

By Barbara K. Lewalski

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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.