Ronald Klatz Books

Infection Protection: How to Fight the Germs That Make You Sick

By Medical Development Management Inc., Ronald Klatz

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Infection Protection: How to Fight the Germs That Make You Sick

By Medical Development Management Inc., Ronald Klatz

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Grow Young with HGH: The Amazing Medically Proven Plan to Reverse Aging

By Ronald Klatz

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Brain Fitness

By Bob Goldman, Robert Md Goldman

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As medicine continues to increase longevity, it becomes more and more vital for us all to keep the mind healthy and vigorous.As a cofounder and director of the American Academy of Anti-Aging Medici...

Stopping the Clock

By Robert Md Goldman, Ronald Klatz

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Why many of us will live past 100--and enjoy our extra years. In Stopping the Clock, two pioneers of anti-aging medicine show how we can start now to regain energy and vitality, halt or reverse dam...

The E Factor

By Bob Goldman, Ronald Klatz

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Grow Young with Hgh

By Ronald Klatz

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Infection Protection

By Catherine Cebula, Ronald Klatz, Robert M. Goldman

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Stopping the clock

By Ronald Klatz

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Death in the locker room

By Bob Goldman

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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.