Patrick Dillon Books

The story of Britain from the Norman Conquest to the European Union

By Patrick Dillon

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Circle of Greed

By Patrick Dillon, Carl M. Cannon

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Circle of Greed is the epic story of the rise and fall of Bill Lerach, once the leading class action lawyer in America and now a convicted felon.  For more than two decades, Lerach threatened,...

St. Mother Cabrini

By Patrick Dillon

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St. Mother Cabrini

By Patrick Dillon

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Story of Buildings

By Patrick Dillon, Stephen Biesty

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Story of Buildings

By Patrick Dillon, Stephen Biesty

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Story of Britain

By Patrick Dillon, Martha Dillon, Patrick James Lynch

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Last Revolution

By Patrick Dillon

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Moment of Grace

By Patrick Dillon

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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.