Robert G. Sullivan Books

Justice And The Social Context Of Early Middle High German Literature

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First published 2001 by Routledge. This book argues that far from preaching traditional, otherworldly ideals, the authors or these religious works were deeply engaged in the social, political, and...

Art and Violence in the Middle Ages and the Renaissance

By Robert G. Sullivan, Meriem Pages

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This collection of essays explores the intersection of art and violence in the Middle Ages and the Renaissance. It will appeal primarily to students and scholars in the fields of Medieval and Renai...

Art and Violence in the Middle Ages and the Renaissance

By Meriem Pages, Robert G. Sullivan

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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.