Donald W. Wuerl Books

The Mass: The Glory, the Mystery, the Tradition

By Donald W. Wuerl

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The mass

By Donald W. Wuerl

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Guides readers through the different parts of the Catholic mass, from the entrance procession to the blessing and dismissal, and examines the history and spiritual significance of each element of t...

The Catholic Way

By Donald Bishop Wuerl

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The Catholic Way is an up-to-date reflection on what it means to be a Catholic today. It is a clear, intelligent, and authoritative guide to the perennial faith of the Catholic Church as presented...

The church

By Donald W. Wuerl

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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 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 church

By Donald W. Wuerl

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The Feasts How the Church Year Forms Us as Catholics

By Cardinal Donald Wuerl, Mike Aquilina

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"Every day is a holiday in the Catholic Church. In their latest collaboration, Cardinal Wuerl and Mike Aquilina examine the history and traditions behind both favorite and forgotten holidays, from...

A visit to the Vatican

By Donald W. Wuerl

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Traces the history of the papacy from the arrival of St. Peter in Rome and describes the buildings, gardens, art objects, and historical collections of the Vatican today.

A visit to the Vatican

By Donald W. Wuerl

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Traces the history of the papacy from the arrival of St. Peter in Rome and describes the buildings, gardens, art objects, and historical collections of the Vatican today.

Fathers of the Church

By Donald Wuerl

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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.