Kent Heckenlively Books

Plague

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"After years of prosecuting hard-core criminals, rising legal star Alan Bell took a private sector job in South Florida's newest skyscraper. Suddenly, he suffered such bizarre medical symptoms, doc...

Rand Paul for President

By Kent Heckenlively

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Plague

By Kent Heckenlively, Judy Mikovits

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Plague

By Kent Heckenlively, Judy Mikovits

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This Was CNN

By Kent Heckenlively, Cary Poarch, James O Keefe

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This Was CNN

By Kent Heckenlively, Cary Poarch, James O Keefe

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Inoculated

By Kent Heckenlively

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King of Italy

By Kent Heckenlively

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King of Italy

By Kent Heckenlively

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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.