John P. Murphy Books

On the Supression of the Society of Jesus

By John P. Murphy, Giulio Cesare Cordara

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Jesuit Latin Poets of the Seventeenth and Eighteenth Centuries

By John P. Murphy

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Jesuit Latin Poets of the Seventeenth and Eighteenth Centuries

By John P. Murphy, James J. Mertz

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Plants of the Victorian high country

By John P. Murphy

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This book will allow anyone with little botanical knowledge to identify plants that they are most likely to encounter while walking in Victoria's High Country. The guide is written in plain English...

Yearning to Labor

By John P. Murphy

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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.