Helen O Donnell Books

Captures the experience and spirit of the group of men who gathered around Jack Kennedy as he made his dramatic rise to the presidency -- Bobby Kennedy, Kenny O'Donnell, Larry O'Brien, and Dave Pow...

The Irish Brotherhood

By Helen O Donnell

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The Irish Brotherhood is the history of Jack Kennedy's original political inner circle. Led by Bobby Kennedy, Kenny O'Donnell, Larry O'Brien, and Dave Powers they were tough minded, Irish–Cat...

The Irish Brotherhood

By Helen O Donnell

Average: 0.00, 0 Ratings

The Irish Brotherhood is the history of Jack Kennedy's original political inner circle. Led by Bobby Kennedy, Kenny O'Donnell, Larry O'Brien, and Dave Powers they were tough minded, Irish–Cat...

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.