Robert Ehrlich Books

Waging Nuclear Peace

By Robert Ehrlich

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Waging nuclear peace

By Robert Ehrlich

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Former politician and author Bob Ehrlich "explores the cause and remedies to the seven most difficult issues confronting (and confounding) our culture and country ... [presenting] an urgent call to...

Me kara uroko no ku so kagaku kyo shitsu

By Robert Ehrlich, Yo Ko Umezawa

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Ling hai zi jing qi de 72 ge ke xue yi xiang

By Robert Ehrlich

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Questions and answers explore the earth, weather and climate, forces and energy, plants and animals, and other scientific subjects.

Hunting the Faster Than Light Tachyon and Finding Three Unicorns and a Herd of Elephants

By Robert Ehrlich

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Renewable Energy

By Robert Ehrlich, Harold Geller, John R. Cressman

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Hunting the Faster Than Light Tachyon and Finding Three Unicorns and a Herd of Elephants

By Robert Ehrlich

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Cosmological Milkshake

By Robert Ehrlich

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What If You Could Unscramble an Egg

By Robert Ehrlich

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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.