David Brennan Books

The Motif Programming Manual is a source for complete, accurate, and insightful guidance on Motif application programming. There is no other book that covers the ground as thoroughly or as well as...

Volume 6B: Motif Reference Manual

By Dan Heller, David Flanagan, Adrian Nye, Valerie Quercia, Daniel Gilly, Thomas Van Raalte, Ellie Cutler, David Brennan, Paula M. Ferguson, Paula Ferguson, Tim O'Reilly

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The Motif Reference Manual is a complete programmer's reference for the Motif toolkit from the Open Software Foundation (OSF). Motif has become the standard user interface for X Window System app...

Victory For Kids: The Cleveland School Voucher Case

By David Brennan, Malcolm Baroway, David L. Brennan, David Brennan, Malcolm Baroway, David L. Brennan

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Process Industry Economics

By David Brennan

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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.