Simon R. Green Books

After the murder of the Drood Matriarch, the family finds itself vulnerable to evil. This time, it's a Satanic Conspiracy that could throw humanity directly into the clutches of the Biggest of the...

From Hell with Love

By Simon R. Green

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Dr. DOA

By Simon R. Green

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"'A literary love letter to the spy thrillers of the '60s mashed up with every sort of paranormal weirdness under the sun,' the Secret Histories Novels by New York Times bestselling author Simon R....

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, now in paperback!The name is Drood, Eddie Drood, also known as Shaman Bond. My family...

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.