J. Randolph Cox Books

Dashing Diamond Dick and Other Classic Dime Novels

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A one-of-a-kind compendium of popular fiction from a bygone era Dime novels, as fundamentally American as baseball and jazz, were an inexpensive and inexhaustible source of popular entertainment f...

Tad Schrift

By J. Randolph Cox

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Man of Magic and Mystery

By J. Randolph Cox

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Masters of mystery and detective fiction

By J. Randolph Cox

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Tad Schrift

By J. Randolph Cox

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Dime Novel Companion

By J. Randolph Cox

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Masters of Mystery and Detective Fiction

By J. Randolph Cox

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Lady of the Night Wind

By J. Randolph Cox, Varick Vanardy, Christopher R. Yates

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Flashgun Casey Crime Photographer

By J. Randolph Cox, William F. Nolan, David S. Siegel

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Flashgun Casey Crime Photographer

By J. Randolph Cox, David S. Siegel

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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.