Thomas Dormandy Books

The Worst of Evils: The Fight Against Pain

By Thomas Dormandy

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Moments of Truth: Four Creators of Modern Medicine

By Thomas Dormandy

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Who were the scientific geniuses behind some of the most innovative and important discoveries in modern medicine? Medical science in the 21st century is continuing to advance, but the character of...

Medicine Men

By Thomas Dormandy

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Old Masters

By Thomas Dormandy

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The White Death

By Thomas Dormandy

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El peor de los males

By Thomas Dormandy, Jaime Blasco Castineyra

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Opium

By Thomas Dormandy

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Opium

By Thomas Dormandy

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Moments of Truth

By Thomas Dormandy

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Moments of Truth

By Thomas Dormandy

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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.