Title: So-so
Product review: Not a bad guide to the underlying logic of the guitar fretboard. Very thorough, too. But if you want an easier, more concise, and practical guide (that I use as a performing musician and guitar instructor) that shows more concrete examples, try Fred Sokolow's Guitar Fretboard Road Maps. Edward's book is more useful for the intermediate guitarist (and beyond) who wants to deepen his understanding of the instrument (it won't improve your playing - Sokolow's will).
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