Ashkan MashhourAshkan Mashhour has written a range of instructional material for guitar. He is the author of GUITAR FINGERS: Essential Technique in Pictures and co-author of INTERVALLIC FRETBOARD. He has also developed the CHEATSHEET Music series and the MUSIC PAPE line of manuscript notebooks. You can learn more about these products and contact Ashkan at: www.pelemeleworks.com Read More Read Less