Michael Harold Brown Books

The Toxic Cloud

By Michael Harold Brown, Michael Howard Brown

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The Search for Eve

By Michael Harold Brown, Michael H. Brown

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The Toxic Cloud: The Poisioning of America's Air

By Michael Harold Brown

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Laying Waste

By Michael Harold Brown

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In 1978, a local reporter horrified the nation with his award-winning expose of the Love Canal toxic waste scandal in Niagara Falls. Now, in his chilling account of America's most devastating ecolo...

Marked to die

By Michael Harold Brown

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Laying Waste

By Michael Harold Brown

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Pk

By Michael Harold Brown

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Pk

By Michael Harold Brown

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Pk

By Michael Harold Brown

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PK

By Michael H. Brown, Michael Harold Brown

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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.