Patrick Callan Books

A Book Of Our Own: Works By Rochester-Area Bookstore Employees

By Deborah Green, Jessica Hill, Patrick Callan, James E. Walker, Christie Becker, Edwin Grey, Chris Moon, Jonathan Sherwood, Joshua Deaner, James E. (Editor) Walker, Abram Johnson, Marc McGee, Roy Sowers, Jayne Aquilina, Michael Tomczyszyn, Todd Beers, Gabe Billings, William Lung, Mary Wargo, Ellen Paulini, Lara Lomac, Maria Gillard

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A Book of Our Own: Works from Rochester-Area Bookstore Employees is a unique anthology of the very best short fiction, poetry, and artwork collected from over fifty Rochester-area bookstores. Broa...

Environmental Scanning For Strategic Leadership

By Patrick M. Callan, Patrick Callan

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The Environmental Context For Postsecondary Education / Richard W. Jonsen -- Shifts In Postsecondary Clientele / Norman S. Kaufman -- Economics And Educational Planning / Larry Leslie [and Others]...

Death In Dublin During The ERA Of James Joyces Ulysses

By Patrick Callan

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Death In Dublin During The Era Of James Joyce'S Ulysses

By Patrick Callan

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Death In Dublin During The Era Of James Joyce'S Ulysses

By Patrick Callan

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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.