Judith St. George Books

Sacagawea

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Tells the story of the Shoshoni Indian girl who served as interpreter, peacemaker, and guide for the Lewis and Clark Expedition to the Northwest in 1805-1806.

Journey of the One and Only Declaration of Independence

By Judith St. George

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What Was the Lewis and Clark Expedition

By Judith St. George

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The Duel

By Judith St. George

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In curiously parallel lives, Alexander Hamilton and Aaron Burr were both orphaned at an early age. Both were brilliant students who attended college--one at Princeton, the other at Columbia--and st...

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.