Paul E. Szarmach Books

Holy Men and Holy Women

By Paul E. Szarmach

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Holy Men and Holy Women

By Paul E. Szarmach

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Old English Prose

By Paul Szarmach

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"Medieval England is a topic that has perennial fascination: King Arthur, Robin Hood, chivalry, and Beowulf seem to have obtained a permanent place in high-school reading lists and the popular imag...

An Introduction to the Medieval Mystics of Europe

By Paul E. Szarmach

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An Introduction to the Medieval Mystics of Europe

By Paul E. Szarmach

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Studies in Earlier Old English Prose

By Paul E. Szarmach

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Studies in earlier Old English prose

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Remaking Boethius

By Brian Donaghey, Paul E. Szarmach, Noel Harold Kaylor Jr., Philip Edward Phillips

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Studies in Medieval and Renaissance History

By Joel T. Rosenthal, Paul E. Szarmach

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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.