Roger L. Williams Books

The Origins of Federal Support for Higher Education: George W. Atherton and the Land-Grant College Movement

By Roger L. Williams

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Evan Pugh's Penn State: America's Model Agricultural College

By Roger L. Williams

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Explores the contributions of Evan Pugh (1828-1864), founding president of today's Pennsylvania State University, in quickly building it into America's first scientifically based agricultural college.

The Commune of Paris,1871

By Roger Lawrence Williams, Roger L. Williams

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Military Register of Custer s Last Command

By Roger L. Williams

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Rational Therapeutics Clinical Dermatology

By Roger Williams Undifferentiated

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How Modernity Came to a Provencal Town

By Roger L. Williams, John F. Freeman, Freeman John F.

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A Region of Astonishing Beauty

By Roger L. Williams

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"As we approach the bicentennial of the Lewis and Clark expedition in 2004, attention will inevitably turn to those nineteenth-century explorers who risked life and limb to interpret the natural hi...

A guide to Rocky Mountain plants

By Roger Lawrence Williams

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Napoleon III and the Stoeffel Affair

By Roger Lawrence Williams

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Future of the American Public Research University

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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.