Robert W. Epstein Books

Sacred and profane in Chaucer and late medieval literature

By Robert W. Epstein, John V. Fleming, William Randolph Robins

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"Literary depictions of the sacred and the secular from the Middle Ages are representative of the era's widely held cultural understandings related to religion and the nature of lived experience. U...

Chaucer s Gifts

By Robert Epstein

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Chaucer s Gifts

By Robert Epstein

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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.