Blake McKelvey Books

This Book Examines The Dilemma Of Heavy Snow In American Cities, And The Influence Of Snowstorms On Their Economic Efficiency And Growth. Making Use Of Both Official Records, And Private And Newspa...

Rochester: A Panoramic History

By Blake McKelvey, Ruth Rosenberg Naparsteck, McKelvey, Blake, 1903-2000, Rosenberg-Naparsteck, Ruth, 1950-

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Many times during its tumultuous early history, it looked as though the fledgling city along the Genesee might never make it at all. Forces, both natural and man-made, conspired against its growth,...

City In American History

By Blake McKelvey, Blake McKelvey

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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.