Peter J. Kastor Books

The Nation's Crucible: The Louisiana Purchase and the Creation of America

By Peter J. Kastor

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Collected Shorter Plays

By Eugene O Neill

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The Nation's Crucible: The Louisiana Purchase and the Creation of America

By Peter J. Kastor

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America s struggle with empire

By Peter J. Kastor

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The Louisiana Purchase

By Peter J. Kastor

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Presents essays and documents that provide information about the Louisiana Purchase of 1803, discussing why it happened, the dispute and debate set off by the purchase, and the changes that occurre...

The Great Acquisition

By Peter J. Kastor

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William Clark s World

By Richard Steinberg, Walter W. Powell

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Nation s Crucible

By Peter J. Kastor

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Baltic Revolution

By Peter J. Kastor

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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.