Robert Calderisi Books

The Trouble with Africa

By Robert Calderisi

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Earthly Mission: The Catholic Church and World Development

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Earthly mission

By Robert Calderisi

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With 1.2 billion members, the Catholic Church is the world's largest organization and perhaps its most controversial. The Church's obstinacy on matters like clerical celibacy, the role of women, bi...

Earthly mission

By Robert Calderisi

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The trouble with Africa

By Robert Calderisi

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Argues that many of Africa's problems are related to such internal factors as market mismanagement, anti-business sentiments, and fatalistic African family values, in an account that proposes radic...

The Trouble with Africa

By Robert Calderisi

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L Afrique peut elle s en sortir

By Robert Calderisi

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Mission sur Terre

By Robert Calderisi

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Earthly Mission

By Robert Calderisi

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Trouble with Africa Why Foreign Aid Isn t Working

By Robert Calderisi

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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.