Thomas H. Cook Books

Take a crime-filled tour of Manhattan with this collection of all-new stories of mystery, murder, and suspense presented by Mary Higgins Clark—with contributions by Lee Child, Jeffery Deaver,...

A dancer in the dust

By Thomas H. Cook

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"When a friend from his time in Africa is found murdered in a New York alley, Ray Campbell returns to the African homeland of the only woman he ever loved in pursuit of answers--still haunted by he...

Mortal Memory

By Thomas H. Cook

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Even darkness sings

By Thomas H. Cook

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Drawn to dark places, an award-winning crime novelist, in this deeply personal memoir, travels to some of the earth's most tragic locales where he finds the light that can illuminate the darkness w...

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.