Robert Hardaway Books

Colorado Evidence Courtroom Manual

By Francis Jamison, Glen Weissenberger, Arthur Best, Robert Hardaway

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Alienation of affection

By Hardaway Robert M.

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The Papyrus

By Robert Hardaway

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On the eve of her engagement to affluent geneticist, Seth Peribsen, ingenue Judy Alexander finds her father, an eminent archaeologist, ruthlessly murdered by someone wanting to get their hands on o...

Lily Queen

By Robert Hardaway

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Dreamlet

By Robert Hardaway

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Murder at Mont St. Michel

By Robert Hardaway

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Colorado Evidence Courtroom Manual

By Arthur Best, Robert Hardaway

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Marijuana Politics

By Hardaway Robert M.

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Marijuana Politics

By Hardaway Robert M.

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Murder in Carcassonne

By Robert Hardaway

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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.