Robert D. Bush Books

Memoirs of my life

By Pierre Clement De Laussat

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Observations on the Colony of Louisiana, from 1796 to 1802

By James Pitot

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Louisiana Purchase

By Robert D. Bush

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Louisiana Purchase

By Robert D. Bush

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Overview: In 1803, the United States purchased 828,000 square miles of land from France at a price of approximately three cents per acre, dramatically altering the young nation's geography and its...

Louisiana Purchase

By Robert D. Bush

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Surveying the Early Republic

By Robert D. Bush

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Louisiana Purchase

By Robert D. Bush

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Louisiana Purchase

By Robert D. Bush

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Louisiana Purchase

By Robert D. Bush

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Louisiana Purchase

By Robert D. Bush

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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.