Diana Rowland Books

Japanese business etiquette

By Diana Rowland

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Japanese Business Etiquette

By Diana Rowland

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Japanese Business Etiquette: A Practical Guide to Success With the Japanese

By Diana Rowland

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Blood of the Demon

By Diana Rowland

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BETWEEN HEAVEN AND HELL, MAN AND DEMON, SHE’S ABOUT TO FACE THE ONE THING SHE MAY NOT BE ABLE TO SURVIVE. Welcome to the world of Kara Gillian, a cop with a gift. Not only does she have the power o...

Japanese business etiquette

By Diana Rowland

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White trash zombie apocalypse

By Diana Rowland

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"Our favorite white trash zombie, Angel Crawford, has enough problems of her own, what with dealing with her alcoholic, deadbeat dad, issues with her not-quite boyfriend, the zombie mafia, industri...

White Trash Zombie Gone Wild

By Diana Rowland

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White Trash Zombie Unchained

By Diana Rowland

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Horror meets humorous urban fantasy in the sixth book in the White Trash Zombie series • Winner of the 2012 Best Urban Fantasy Protagonist by the RT AwardsAngel Crawford has finally...

Vengeance of the Demon

By Diana Rowland

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Demon summoner Kara Gillian is on the wrong side of the law—and there’s evidence to prove it. Too bad the courts don’t accept “fighting demonic forces” as justificatio...

Legacy of the Demon

By Diana Rowland

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The demon invasion of Earth has begun, and as the world’s top arcane expert, demon summoner Kara Gillian is leading the battle against them. Unnatural catastrophes, odd plagues, and martial l...

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.