Robert Cogan Books

Sonic Design: The Nature of Sound and Music

By Cogan Robert, Robert Cogan

Average: 0.00, 0 Ratings

Sonic Design: Practice and Problems

By Cogan Robert

Average: 0.00, 0 Ratings

New images of musical sound

By Robert Cogan, Cogan Robert

Average: 0.00, 0 Ratings

Music seen music heard

By Robert Cogan

Average: 0.00, 0 Ratings

Analyses of musical works and their performances as seen through music spectrographs.

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.