Charles Ardai Books

CELEBRATING 20 YEARS OF HARD CASE CRIME – 20 UNFORGETTABLE STORIES BY HARD CASE CRIME FOUNDER CHARLES ARDAI“A MASTER OF THE SHORT STORY.” – STEPHEN KINGSince debuting 20 yea...

The Nice Guys: The Official Movie Novelization

By Charles Ardai

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Holland March is a private eye with a defective nose and a broken arm. Jackson Healy is the tough guy who put him in a cast. Not the two most likely men to team up to hunt for a missing girl, or lo...

Death Comes Too Late

By Charles Ardai

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CELEBRATING 20 YEARS OF HARD CASE CRIME – 20 UNFORGETTABLE STORIES BY HARD CASE CRIME FOUNDER CHARLES ARDAI“A MASTER OF THE SHORT STORY.” – STEPHEN KINGSince debuting 20 yea...

Fifty-to-One

By Charles Ardai

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CELEBRATING 50 YEARS OF HARD CASE CRIME!Okay, not really. But what if, instead of having been founded 50 books ago, Hard Case Crime had been founded 50 years ago, by a rascal ou...

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.