Thomas L. Purvis Books

Colonial America to 1763

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"Colonial America to 1763 portrays American history, before there was a United States. European explorers, Native Americans, missionaries, religious and political refugees, and merchant-colonists a...

Revolutionary America, 1763 to 1800

By Thomas L. Purvis

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Almanacs of American Life

By Various

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A dictionary of American history

By Thomas L. Purvis

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Slovar amerikanskoi istorii

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Early National America Almanacs of American Life

By Thomas L. Purvis

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Dictionary of American History

By Thomas L. Purvis

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Proprietors, patronage, and paper money

By Thomas L. Purvis

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A dictionary of American history

By Thomas L. Purvis

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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.