Jonathan R. T. Davidson Books

Downing Street blues

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"Presenting an account of mental illness in British prime ministers from Sir Robert Walpole, generally regarded as the first to hold the position, to Tony Blair, this book reveals how depression, a...

Posttraumatic Stress Disorder

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A Century of Homeopaths

By Jonathan Davidson

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Herbs for the Mind

By Kathryn M. Connor, Jonathan R. T. Davidson

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Herbs for the Mind

By Kathryn M. Connor, Jonathan R. T. Davidson

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The anxiety book

By Jonathan Davidson, Jonathan R. T. Davidson

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The Anxiety book is a comprehensive resource for defeating anxiety and building resilience. Dr. Davidson includes: questionnaires to help you find out which type of anxiety you have; information on...

The Anxiety Book

By Jonathan Davidson, Henry Dreher

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Do you have unhealthy anxiety? Do you suffer from sleeplessness, irritability, trouble relaxing, difficulty in concentrating, or fear of ambarrassment? From Dr. Jonathan Davidson, director of...

Post Traumatic Stress Disorders

By Jonathan Davidson, David J. Nutt, Joseph Zohar

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Downing Street Blues

By Jonathan Davidson

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The Anxiety Book

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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.