Simon R. Green Books

The Unnatural Inquirer

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John Taylor’s the name. I’m a PI working a small slice of mystical real estate in the hidden centre of London. It’s a place where the sun refuses to rise, where monsters and men w...

Dr. DOA

By Simon R. Green

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From the New York Times bestselling author of From a Drood to a Kill comes the next Secret Histories adventure...   The name is Drood, Eddie Drood, also known as Shaman Bond. My family has bee...

Moonbreaker

By Simon R. Green

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Ride shotgun with a “James Bond–of-the-supernatural”* as the Secret Histories Novels take you careening through an alternate London where around every corner a new kind of danger...

Night Fall

By Simon R. Green

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From the New York Times bestselling author of Moonbreaker comes the epic final Secret Histories adventure, where the Droods will take on the most unexpected of enemies: the inhabitants of the Night...

The Man With the Golden Torc

By Simon R. Green

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New York Times bestselling author Simon Green introduces a new kind of hero, one who fights the good fight against some very old foes in the first novel in the Secret Histories series.   The n...

Blue Moon Rising

By Simon R. Green

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Rupert didn't especially want to be a prince. And he certainly never asked to be the second son of a royal line that really didn't need a spare. So he was sent out to slay a dragon and prove himsel...

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.