Michael Tierney Books

Eoin MacNeill: Scholar and Man of Action, 1867-1945

By Tierney Michael, Michael Tierney

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The first game with my father

By Michael Tierney

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"In the early winter of 1983, a generous season for memories, Michael Tierney attended his first - and only - game with his father, John. For a self-employed electrician with nine children to suppo...

Wild Stars

By Michael Tierney

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Cirsova 2 Heroic Fantasy and Science Fiction Magazine Volume 2

By James Hutchings, S H Mansouri, Kristine Katheryn Rusch, Brian K Lowe, Schuyler Hernstrom, Karl Gallagher, Adrian Cole, Michael Tierney

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Cirsova 5 Heroic Fantasy and Science Fiction Magazine Volume 5

By James Hutchings, Jay Barnson, S H Mansouri, Brian K Lowe, Misha Burnett, Schuyler Hernstrom, Louise Sorensen, Lynn Rushlau, Adrian Cole, Michael Tierney

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Forget You Had a Daughter

By Sandra Gregory, Michael Tierney

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Edgar Rice Burroughs 100 Year Art Chronology

By Michael Tierney

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Cirsova 9

By Lucas Paul, Robert Lang, J.D. Brink, S.K. Inkslinger, Bo Balder, P Alexander, Xavier Lastra, N.A Roberts, Michael Tierney, PC Bushi

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Cirsova Magazine of Thrilling Adventure and Daring Suspense

By J. Manfred Weichsel, Harold R. Thompson, D.M. Ritzlin, Xavier Lastra, Jeff Stoner, Edgar Rice Burroughs, Michael Wiesenberg, Barbara Doran, Michael Tierney, WL Emery

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Cirsova 7 Heroic Fantasy and Science Fiction Magazine Volume 7

By James Hutchings, Michael Reyes, Dominika Lein, Marilyn K Martin, Abraham Strongjohn, Jason Scott Aiken, Louise Sorensen, Adrian Cole, Michael Tierney

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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.