John A. Hardin Books

Advances in systemic lupus erythematosus

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Fifty years of segregation

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Kentucky stands out as being the last state in the South to introduce racially segregated schools and one of the first to break down racial barriers in higher education. What happened in the interv...

Fifty Years of Segregation

By John A. Hardin

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Fifty Years of Segregation

By John A. Hardin

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Kentucky African American Encyclopedia

By Gerald L. Smith, John A. Hardin, Karen Cotton McDaniel

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Kentucky African American Encyclopedia

By Gerald L. Smith, John A. Hardin, Karen Cotton McDaniel

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Kentucky African American Encyclopedia

By Gerald L. Smith, John A. Hardin, Karen Cotton McDaniel

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Pursuit of Excellence

By John A. Hardin

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Pursuit of Excellence

By John A. Hardin

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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.