Stevens, Peter F. Books

The Development of Biological Systematics

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A reevaluation of the history of biological systematics that discusses the formative years of the so-called natural system of classification in the eighteenth and nineteenth centuries. Shows how cl...

The Mayflower Murderer and Other Forgotten Firsts in American History

By Peter F. Stevens

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In the woods near Plymouth, a matchlock musket roared. A hunter's quarry crumpled to the forest floor. But the prey was not some wild turkey or other woodland animal. John Newcomen was on the groun...

The Voyage Of The Catalpa: A Perilous Journey And Six Irish Rebels' Escape To Freedom

By Peter F. Stevens, Stevens, Peter F.

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"Setting out from New Bedford, Massachusetts, on April 29, 1875, the American whaling barque, Catalpa, undertook a secret year-long mission of international rescue. American sea captain George Anth...

The Voyage of the Catalpa

By Peter Stevens

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The rogue's march

By Peter F. Stevens

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The Rogue's March is the controversial true story of the U.S. Army deserters - the majority of them Irish immigrants - who fought valiantly as a Mexican Army unit during the Mexican War of 1846-48....

The Rogue s March

By Peter F. Stevens

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Mayflower Murderer and Other Forgotten Firsts in American History

By Peter F. Stevens

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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.