Tomas O Neill Books

CANCEL SEE 694688

By Tomas O Neill

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TO MAKE ALL LAWS PA

By James Hutson, Tomas O Neill

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All Politics Is Local

By Tip O Neill, Tomas O Neill

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No one knows the inside rules of politics better than Tip O'Neill, former Speaker of the House and a master of his trade. Having spent fifty years in elected office, from the back wards of Cambridg...

James Fintan Lalor

By Tomas O Neill

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Man of the House

By Tomas O Neill

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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.