Clark Heath Books

Mortality From Smoking In Developed Countries, 1950-2000: Indirect Estimates From National Statistics

By Organisation Mondiale De La Sante ., Michael Thun, Jillian Boreham, Alan D. Lopez, Clark Heath, Richard Peto, Imperial Cancer Research Fund (Grande-Bretagne)

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It is well recognized that smoking is the leading cause of avoidable death in developed countries. Recent evidence suggests that, although not publicly, the tobacco industry recognized the health h...

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.