Robbie Gennet Books

Pop Rock Piano Hits for Dummies

By Hal Leonard Corp.

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Billy Joel Classics 1974 1980

By Joel Billy., Robbie Gennet

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The key of ONE

By Robbie Gennet

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"What's covered: The names of notes and the purpose of black keys ; Understanding the role of time and rhythm; The simple formula for major and minor scales; Patterns and shapes to get you playing...

Billy Joel

By Todd Lowry, Billy Joel, Robbie Gennet

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Billy Joel

By Todd Lowry, Billy Joel, Robbie Gennet

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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.