Roger S. Wieck Books

Late Medieval and Renaissance Illuminated Manuscripts

By Roger S. Wieck, James F. O Gorman, Houghton Library.

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The medieval calendar

By Roger S. Wieck

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The intricacies of the medieval calendar are examined in this sumptuously illustrated volume, featuring many of the finest examples from The Morgan Library's unparalleled collection. The lucid and...

Picturing piety

By Roger S. Wieck

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The Hours of Henry VIII

By Roger S. Wieck

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European illuminated manuscripts

By Roger S. Wieck

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Painted Prayers

By Roger S. Wieck

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Miracles in miniature

By Roger S. Wieck, Francisco Trujillo

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Illuminating Faith The Eucharist in Medieval Life and Art

By Roger S. Wieck

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Illuminating Fashion

By Roger S. Wieck, Anne Van Buren

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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.