James Cahill Books

Lamps on the Brow

By David Brin, Mike Resnick, Greg Benford, Gene Wolfe, Bruce Bethke, A. E. Van Vogt, Ben Bova, Andre Norton, Hal Clement

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Beauty revealed

By James Cahill, Julia M. White, Sarah Handler

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Index of Early Chinese Painters Paintings

By James Cahill

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Homeland

By James Cahill

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Cv/VAR 104 reviews 'David Hockney RA: A Bigger Picture', exhibited at The Royal Academy January to April 2012. The project of creating monumental landscape paintings was based on a small area near...

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.