Don C. Skemer Books

Binding Words

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In the Middle Ages, textual amulets--short texts written on parchment or paper and worn on the body--were thought to protect the bearer against enemies, to heal afflictions caused by demonic invasi...

Binding Words

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Medieval and Renaissance Manuscripts in the Princeton University Library

By William P. Stoneman, Don C. Skemer, Jean F. Preston, Christian Art Society Of The Philippines Staff, Adelaide Bennett

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Great Gatsby

By Don C. Skemer, West James L. W. III, F. Scott Fitzgerald

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Guide to the Manuscript Collections of the New Jersey Historical Society

By Don C. Skemer, New Jersey Historical Society., Robert C. Morris

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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.