Timothy Verdon Books

This beautiful new book by renowned art historian Timothy Verdon tells the story of the life of St. Francis of Assisi in story and art. The 28 stunning thirteenth-century frescoes by Giotto that co...

Art and Prayer

By Timothy Verdon

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Picturing Mary

By Timothy Verdon, Benjamin Shaykin, Elizabeth Lynch, Kathryn A. Wat

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"Iconic and devotional, but also fraught with social and political significance, the image of the Virgin Mary has shaped Western art since the sixth century. Depictions of the Virgin Mary in art th...

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.