Robert Ellsberg Books

The Saints' Guide to Happiness: 19

By Robert Ellsberg

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Dorothy Day

By Robert Ellsberg

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La Guia de los Santos para ser Feliz

By Robert Ellsberg

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The Saints' Guide to Happiness

By Robert Ellsberg

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The Saints' Guide to Happiness

By Robert Ellsberg

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“What is happiness and how can I find it?” may be one of the most frequently asked questions there is. Perhaps that’s because it is so hard to experience lasting happiness.In The Saints’ Guide to H...

Blessed among us

By Robert Ellsberg

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"While the Church officially recognizes a relatively small number of saints, the actual roster is infinitely wider. Blessed among us explores this eclectic "Cloud of witnesses"--Lay and religious,...

Todos Los Santos

By Robert Ellsberg

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Blessed Among All Women

By Robert Ellsberg

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Blessed Among All Women

By Robert Ellsberg

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The Saints Guide To Happiness

By Robert Ellsberg

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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.