Robert Sirico Books

The Economics of the Parables

By Robert Sirico, Jon Gauger

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EN DEFENSA DEL LIBRE MERCADO

By Roberto Sirico

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Defending the Free Market

By Robert Sirico

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Defending the free market

By Robert A. Sirico

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"The Left has seized on our economic troubles as an excuse to "blame the rich guy" and paint a picture of capitalism and the free market as selfish, greedy, and cruel. Democrats in Congress and "Oc...

Defending the Free Market

By Robert Sirico

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Economics of the Parables

By Robert Sirico

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Economics of the Parables

By Robert Sirico

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Odes in Honor of the Protection of Our Most Holy Lady Theotokos and Ever Virgin Mary Op. 23 a New Setting for SATB Choir

By Robert Sirico

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Mixed Hymns to the Theotokos and the Saints of God

By Robert Sirico

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Paraklesis Service of the Small Supplicatory Canon to the Most Holy Theotokos

By Robert Sirico

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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.