Jazz Riffs for Piano - Paperback, by Kerper Mitch - Acceptable

The Everything Rock & Blues Piano Book: Master Riffs, Licks, and Blues Styles...

Jazz Riffs for Piano – The Riff Series By Mitch Kerper

Mitch Rapp Series by Vince Flynn - Choose Your Own Books Set

Metallica - Riff by Riff - Guitar

Jazz Riffs for Piano by Kerper, Mitch Paperback / softback Book

BLACK SABBATH RIFF BY RIFF GUITAR SHEET MUSIC TAB BOOK TONY IOMMI OZZY OSBOURNE

The Guitar Riffs Sampler (The Riff Series) by unknown author