Peter Lennon Books

Inside Appn and Hpr: The Essential Guide to the New Sna

By Brian Dorling, Peter Lenhard, Velibor Uskokovic, Peter Lennon

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Foreign Correspondent Paris In the 60S

By Peter Lennon

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Protecting personal health information in Ireland

By Lennon Peter Lecturer

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Prepared as part of the National General Practice Information Technology Group's efforts, to promote awareness of information management and privacy issues in the Irish health system. This book is...

Mount Ararat Region Guide to the Mountains and Places of Interest Including Map of 1

By P. Lennon, S. Ambridge

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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.