Michael Donovan Books

The United States of America is notorious for its astronomical number of people killed by firearms for a developed nation without a civil war. With his signature sense of angry humor, activist film...

Shamrock in the snow

By Michael Leo Donovan, Bill Abbott

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The Name Game

By Michael Leo Donovan

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Behind closed doors

By Michael Donovan

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Private investigator Eddie Flynn is having a bad day. When some snot-nosed kid barges in with a story about a missing girl, it doesn't get any better - especially since Rebecca Slater's parents say...

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.