Justin has a series of videos on the fretboard organization [1]. From looking at the contents of the linked book, I think it covers similar material. And he s

Justin has a series of videos on the fretboard organization [1]. From looking at the contents of the linked book, I think it covers similar material. And he sells an ebook Chord Construction Guide [2]. [1] http://www.justinguitar.com/en/TB-030-CAGEDsystemVid.php http://www.justinguitar.com/en/TB-030-CAGEDsystemVid.php [2] http://www.justinguitar.com/en/PR-011-ChordConstructionGuide.php http://www.justinguitar.com/en/PR-011-ChordConstructionGuide...