Barbara A. Perry Books

Since its original publication in 1967, Freedom and the Court has become the standard text on civil liberties law, with more than 100,000 copies in print. This classic is now updated to cover Supre...

American Art Pottery from the collection of the Everson Museum of Art

By Barbara A. Perry, Everson Museum Of Art.

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More than 100 years ago a handful of talented decorators and a smattering of potteries created one of the country's most enduring and collected crafts - American art pottery. This was the first tru...

The Supremes

By Barbara A. Perry

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Civil liberties under the Constitution

By M. Glenn Abernathy

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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.