Patrick Houlihan Books

Mercury reader

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Harmony by hand

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In their basketry, weaving, and pottery, the Southwest's Indian people carry forth a heritage of artistic traditions. They express a bond to the land and to their past ...

Wit Humour in Ancient Egypt

By Patrick F. Houlihan

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Data Wrangling

By Alexander Moreno, Patrick Houlihan

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Birds of Ancient Egypt Vol. 1

By Patrick F. Houlihan

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Wit Humour in Ancient Egypt

By Patrick F. Houlihan

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Catholicism and the Great War

By Patrick J. Houlihan

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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.