Charles E. Ronan Books

Juan Ignacio Molina

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"This book is a biography of a Chilean Jesuit, Juan Ignacio Molina (1740-1829), a historian and naturalist, who wrote the Storia Naturale del Chili (1782) and the Storia Civile del Chili (1787). Be...

Francisco Javier Clavigero S. J. 1731 1787

By Charles E. Ronan

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Francisco Javier Clavigero S.J.Figure of the Enlightenment

By Charles E. Ronan

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East Meets West

By Charles E. Ronan

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Francisco Javier Clavigero S.J. Figure of the Mexican Enlightenment

By Charles E. Ronan

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Jesuit encounters in the New World

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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.