Carol E. Quillen Books

The Making of the West Concise Volume 1 and The Secret

By R. Po Chia Hsia, Lynn Hunt, Thomas R. Martin, Carol E. Quillen, Barbara H. Rosenwein

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The Secret

By Francesco Petrarca, Carol E. Quillen

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The Making of the West Volume 1 and The Secret

By Carol E. Quillen

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Rereading the Renaissance

By Carol E. Quillen

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Rereading the Renaissance - a study of Petrarch's uses of Augustine - uses methods drawn from history and literary criticism to establish a framework for exploring Petrarch's humanism. Carol Everha...

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.