Sharlene Nelson Books

Mount St. Helens National Volcanic Monument

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Describes the destruction caused by the eruption of Mount St. Helens in 1980, the slow return of plant and animal life, and the special area set aside to study this renewal.

Olympic National Park

By Sharlene Nelson

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Describes the landscape, wildlife, and activities of Washington State's Olympic National Park.

Hawaii Volcanoes National Park

By Sharlene Nelson

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Describes the history, landscape, wildlife, and activities for visitors at Hawaii Volcanoes National Park.

Mount Rainier National Park

By Sharlene Nelson

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Describes the history, landscape, wildlife, and activities for visitors at Washington's Mount Rainier National Park.

William Boeing

By Sharlene Nelson

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A biography of Bill Boeing, a pioneer in the development of aviation and the founder of the Boeing Company, which started out building military and transport airplanes and now builds most of the wo...

The Golden Gate Bridge

By Ted W. Nelson, Sharlene Nelson

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The Golden Gate Bridge Cornerstones of Freedom

By Ted W. Nelson, Ted Nelson, Sharlene Nelson

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Olympic National Park True Books National Parks

By Ted Nelson, Sharlene Nelson

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William Boeing

By Ted Nelson, Sharlene Nelson

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The Nez Perce Watts Library

By Ted W. Nelson, Sharlene Nelson

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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.