Roderico DeLeon Books

Google Power Tools Bible

By Roderico DeLeon, Ted Coombs, Ted Coombs, Roderico DeLeon

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Get the most thorough and comprehensive guide to Google. Expand your world with the dozens of Google tools, applications, and services you'll find in this comprehensive book. Going well beyond the...

Basic Home Networking

By Roderico DeLeon, Ted Coombs, Roderico DeLeon, Ted Coombs

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Discover how easy it is to design, install, manage and troubleshoot your own home network! Ideal for do-it-yourselfers, Basic Home Networking contains all of the information today's homeowners and...

ICQ FYI

By Ted Coombs, Roderico DeLeon

Average: 0.00, 0 Ratings

Google Power Tools Bible

By Roderico DeLeon, Ted Coombs, Ted Coombs, Roderico DeLeon

Average: 0.00, 0 Ratings

Get the most thorough and comprehensive guide to Google. Expand your world with the dozens of Google tools, applications, and services you'll find in this comprehensive book. Going well beyond the...

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.