Stuart Marsh Books

Beginning GeoDjango

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Beginning IPhone Games Development

By Peter Bakhirev, Ben Smith, Stuart Marsh, Roderick Smith, Ian Marsh, Eric Wing, P. J. Cabrera, PJ Cabrera, Scott Penberthy

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iPhone games are hot! Just look at the numbers. Games make up over 25 percent of total apps and over 70 percent of the most popular apps. Surprised? Of course not! Most of us have filled our iPhone...

Beginning IPhone Games Development

By Peter Bakhirev, Ben Smith, Stuart Marsh, Roderick Smith, Ian Marsh, Eric Wing, PJ Cabrera, Scott Penberthy

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Beginning Geodjango: Rich Gis Web Applications With Python

By Stuart Marsh, Marsh, Stuart

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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.