Victor M. Cassidy Books

Henry Chandler Cowles

By Victor M. Cassidy

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Hunting for Frogs on Elston and Other Tales from Field and Street

By Jerry Sullivan, Victor M. Cassidy

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Sculptors at work

By Victor M. Cassidy

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"Some of the 22 sculptors are internationally known while others have regional reputations. Each artist has compelling things to say: personal goals, where ideas come from and how they transform th...

Hunting for Frogs on Elston and Other Tales from Field and Street

By Jerry Sullivan, Victor M. Cassidy

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Artistic Collaboration Today

By Victor M. Cassidy

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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.