Alex Grecian Books

The Black Country

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The New York Times Book Review said of The Yard, “If Charles Dickens isn’t somewhere clapping his hands…Wilkie Collins surely is.” Now Alex Grecian returns with his second...

The Yard

By Alex Grecian

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As Jack the Ripper’s reign of terror in London comes to an end, a new era of depravity sets the stage for the first gripping mystery featuring the detectives of Scotland Yard’s Murder S...

The Yard

By Alex Grecian

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Victorian London is a cesspool of crime, and Scotland Yard has only twelve detectives—known as “The Murder Squad”—to investigate thousands of murders every month. Creat...

Lost and Gone Forever

By Alex Grecian

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The shocking conclusion to the battle between Scotland Yard’s Murder Squad and Jack the Ripper, from the bestselling author of The Yard and Red Rabbit. Many changes have happened to the...

The Blue Girl

By Alex Grecian

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From the bestselling author of The Yard and Red Rabbit, comes a short story of Scotland Yard’s Murder Squad, a cautionary tale: Be careful what you wish for. October 1889: Constable Coli...

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.