Robert H. Webb Books

Elementary Wave Optics

By Robert Howard Webb

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Environmental Effects of Off Road Vehicles

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Lava Falls Rapid in Grand Canyon

By Robert H. Webb

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Dams Rivers

By Michael Collier, John C. Schmidt, Robert H. Webb

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Floods Droughts and Climate Change

By Michael Collier, Robert H. Webb

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Explains how floods and droughts are related to global weather patterns and examines climate changes in history, discussing such topics as El Niño, hurricanes, and the role of geology.

The Changing Mile Revisited

By James Rodney Hastings, Turner R. M., Janice E. Bowers, Raymond M. Turner, Robert H. Webb

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Gr and Canyon

By Webb Robert H.

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Photographs made in Grand Canyon a century ago may provide us with a sense of history; photographs made today from the same vantage points give us a more precise picture of change in this seemingly...

Gr and Canyon

By Webb Robert H.

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The Ribbon of Green

By Webb Robert H., Raymond M. Turner, Robert H. Webb, Stanley A. Leake

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The controlled flood in Grand Canyon

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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.