Tim O Rourke Books

Vampire Seeker

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Samantha Carter believes a vampire is responsible for the brutal deaths of four women in London. Desperate to prove the killers identity, she chases him into a late night tube train. But Samantha d...

Vampire watchmen

By Tim O Rourke

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It's been a year since Samantha Carter blasted back to 1888, barely escaping with her life. Now, returned to present-day London with only her nymphomaniac flatmate for company, she's starting to be...

Tote Engel

By Tim O Rourke, Birga Weisert, Daniela Mansfield Translations

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Kiera Hudson

By Tim O Rourke

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After Dark

By Tim O Rourke

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Dead Angels

By Tim O Rourke

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Dead Lost

By Tim O Rourke

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Moonlight Moon Trilogy Book 1 The Moon Trilogy Volume 1

By Tim O Rourke

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Dead Statues

By Tim O Rourke

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Dead Wolf

By Tim O Rourke

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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.