Nelson O. Ottenhausen Books

The sin slayer

By Nelson O. Ottenhausen

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The Blue Heron

By Nelson O. Ottenhausen

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Shadow Wolves

By Nelson O. Ottenhausen

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Civil War II

By Nelson O. Ottenhausen

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Jugs bottles

By Nelson O. Ottenhausen

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"Jami Unice Gamble, a woman deaf since birth, is targeted for murder after witnessing a Mafia style execution and then identifying the two hit men to the police. She, alon with her dog Bottles, bec...

Naked Warrior

By Nelson O. Ottenhausen

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Little Hawk and Lobo

By Gordon Diddens, Nelson Ottenhausen

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The Blue Heron

By Nelson O. Ottenhausen

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Killing Zone Evil s Playground

By Dari Bradley, Nelson O. Ottenhausen

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Shadows of Heroes

By Dari L. Bradley, D. M. Ulmer, Doris Littlefield, Nelson O. Ottenhausen

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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.