Michael O'Hara Books

University of North Carolina men s basketball games

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"The ACC, since December 1, 1953, has played over 12,000 basketball games. This reference work contains every game ever played by the University of North Carolina. In addition to box scores and tou...

My Coloring Drawing Book

By Michael O Hara

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Friends

By Michael O Hara

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Purbeck Camera

By Mike O Hara, Ben Buxton

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Revel For Explore Theatre: A Backstage Pass -- Access Card

By Elizabeth Osborne, Michael M. O'Hara, Michael O'Hara, Judith Sebesta

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NOTE: Before purchasing, check with your instructor to ensure you select the correct ISBN. Several versions of MyLab™ and Mastering™ platforms exist for each title, and registrations are not transf...

Explore Theatre: A Backstage Pass

By John O Hara

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Volleyball Fastest Growing Sport in the World

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Clemson University men s basketball games

By Michael E. O Hara

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North Carolina State University men s basketball games

By Michael E. O Hara

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"The ACC, since December 1, 1953, has played over 12,000 basketball games. This reference work contains every game ever played by North Carolina State University. In addition to box scores and tour...

Wake Forest University men s basketball games

By Michael E. O Hara

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"The ACC, since December 1, 1953, has played over 12,000 basketball games. This reference work contains every game ever played by Wake Forest University. In addition to box scores and tournament st...

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.