Pentatonic Scales: Master the Fretboard Quickly and Easily & Sound Like a Pro, In One Hour (or Less)EbookPentatonic Scales: Master the Fretboard Quickly and Easily & Sound Like a Pro, In One Hour (or Less)byDan AmersonRating: 3 out of 5 stars3/5Save Pentatonic Scales: Master the Fretboard Quickly and Easily & Sound Like a Pro, In One Hour (or Less) for later