John Seelye Books

The kid

By John D. Seelye

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Stories of the Old West

By John D. Seelye

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Melville: the ironic diagram

By John D. Seelye

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Memory's nation

By John D. Seelye

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Long celebrated as a symbol of the country's origins, Plymouth Rock no longer receives much national attention. In fact, historians now generally agree that the Pilgrims' storied landing on the Roc...

Jane Eyre's American daughters

By John D. Seelye

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Potomac portrait

By John D. Seelye

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If at First You Don t Secede Try Try Again

By John Seelye

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War games

By John Seelye, John D. Seelye

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War games

By John Seelye

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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.