Christine Webster Books

Maine

By Christine Webster

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Washington

By Christine Webster

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Describes the geography, history, government, people, and tourist sights of Washington State.

The Pledge of Allegiance

By Christine Webster

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Discusses the history and meaning of the Pledge of Allegiance, which was first published in The Youth's Companion in 1892 as part of a campaign to promote patriotism led by James B. Upham and Franc...

The Lewis and Clark Expedition

By Christine Webster

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Discusses the early nineteenth-century journey of Meriwether Lewis and William Clark through the Louisiana Purchase and beyond, for the purpose of exploring the land and establishing friendly relat...

The Pledge of Allegiance

By Christine Webster

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From Sea to Shining Sea: Maine

By Christine Webster

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Put kids on the road to discovery with the series that brings the United States to life, state by exciting state. It's all here - the history and geography, the people and culture, plus colorf...

From Sea to Shining Sea: Washington

By Christine Webster

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Put kids on the road to discovery with the series that brings the United States to life, state by exciting state. It's all here - the history and geography, the people and culture, plus colorf...

Energy Our Physical World

By Christine Webster

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Egypt

By Christine Webster

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Canyons

By Christine Webster

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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.