Christopher Froehlich Books

The Complete Idiot's Guide to Learning Russian

By Christopher Froehlich

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The Complete Idiot s Guide to Learning Russian

By Christopher Froehlich

Average: 0.00, 0 Ratings

The complete idiot s guide to android app development

By Christopher Froehlich

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Provides step-by-step instructions for designing, developing, testing, and publishing fully-featured applications for the Android platform, including how to design effective and easily-navigated us...

The Complete Idiot's Guide to Android App Development

By Christopher Froehlich

Average: 0.00, 0 Ratings

An operating manual for the hottest mobile operating system.  The Complete Idiot's Guide® to Android App Development gets novice developers up and running quickly on creating their v...

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.