Donald Wuerl Books

The Church

By Cardinal Donald Wuerl, Mike Aquilina Authors Of The Mass

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From the bestselling authors of The Mass, an insightful and practical guide that explores the architectural and spiritual components of the Catholic Church.Your local church is not only a physical...

The gift of Blessed John Paul II

By Donald W. Wuerl

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Sacred Conversation

By Donald Wuerl, David A. Zubik, Joseph Mele

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In The Catholic Way, Bishop Donald Wuerl, Archbishop of Washington D.C., has offered up an accessible, easy-to-use blueprint to the Catholic Church's most recent catechism, a detailed summary of Ca...

The Mass

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An insightful and practical exploration of Catholicism’s most sacred tradition. The Mass: The Glory, the Mystery, the Tradition is an engaging and authoritative guide to Catholicism’s most distinct...

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.