Very good book and fairly easy to understandable by a layman. Excellent exercises. The book is good not only for beginners but also for experienced players. Without knowing the fretboard, you are lost. And this book makes sure you KNOW the fretboard, making you a good player. MI wins.

it EXPLAINS THE THEORY BEHIND THE FORMATION OF CHORDS,ARPEGGIOS,ROOTS,DIMINSHED,PENTATONICS.... Very good book and fairly easy to understandable by aNYONE...Excellent :)
EXERCISES GIVEN IN THIS BOOK MAKES YOU COMFORTABLE WITH THE FRETBOARD THOROUGHLY