Eric L. Haney Books

They are the Army's most elite top-secret strike force. But you won't hear about their heroics on the news, no headlines about them can appear in the papers, and no one—not even their families—can...

Low Country

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Kennesaw Tanner used to be a shadow operative. Now, he operates on his own. Tanner is in the coastal swamps of Georgia, hunting for the man who may have killed his friend. But he soon finds himse...

No Man's Land

By Eric L. Haney

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The creator of the CBS series The Unit delivers his fiction debut Kennesaw Tanner once fought a shadow war. Now he's fighting for himself. Soldier of fortune Kennesaw Tanner is approached by g...

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.