David B. Agus M.D. Books

A Short Guide to a Long Life

By David B. Agus M.D.

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The lucky years

By David Agus

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"Bestselling author David Agus unveils the brave new world of medicine, one in which we can take control of our health like never before and doctors can fine-tune strategies and weapons to prevent...

"One of the world's leading doctors and bestselling author presents the simple rules everyone should follow in order to live a long, healthy, and productive life.In his #1 New York Times bestsellin...

End of Illness

By David B. Agus

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A Short Guide to a Long Life

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First edition

Nature s Lessons for a Long and Happy Life

By David B. Agus

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The End of Illness

By David B. Agus M.D.

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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.