Gayatri Devi Books

A Calm Brain

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In a world filled with too many choices, oppressive technology, and relentlessly overbooked schedules—how do we achieve the calm we so desperately need? Our ancestors used the fight-or-flight mecha...

What Your Doctor May Not Tell You About TM Alzheimer s Disease

By Gayatri Devi, Devi Gayatri., Deborah Mitchell

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A princess remembers

By Gayatri Devi

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Princess remembers

By Gayatri Devi

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A Princess Remembers

By Gayatri Devi

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A Princess Remembers

By Gayatri Devi, Santha Rama Rau

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The spectrum of hope

By Gayatri Devi

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"By defining Alzheimer's Disease as a spectrum disorder---like autism, it affects different people differently---Dr. Gayatri Devi offers new hope for its millions of sufferers. A neurologist who's...

Divine Joy at Play

By Gayatri Devi

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One Life s Pilgrimage

By Gayatri Devi

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Estrogen memory & menopause

By Devi Gayatri.

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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.