Patrick Lalley Books

Examines some of the events of September 11, 2001, when terrorists attacked several targets in the United States including New York's World Trade Center and the Pentagon, and features first-person...

9.11.01

By Patrick Lalley

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September 11 2001 Read Learn

By Patrick Lalley

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Jaguars

By Patrick Lalley

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September 11 2001

By Patrick Lalley

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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.