Chris Wiltz Books

Emerald Lizard: A Neal Rafferty Mystery

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"Sexy, shrewd Norma Wallace ran the last of the legendary houses of prostitution in the French Quarter of New Orleans. Two years before her death in 1974, she began to tape-record her memories - th...

The Emerald Lizard

By Chris Wiltz

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A Diamond Before You Die

By Chris Wiltz

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The killing circle

By Chris Wiltz

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A DIAMOND BEFORE YOU DIE.

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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.