This is a valuable book for any guitarist. Part one presents a dictionary of essential chord forms shown by inversion. Part two features a very thorough analysis of chord melody and quartal harmony voicings in each key. Playing through part II will train your ear to improvise chordal melodies and to hear contemporary voice leadings. Ideal for daily practice. It is an ultimate guide of chord studies and perfect reference manual for everyday use and a comprehensive presentation of modern chord forms with analysis on how to use them effectively in contemporary music. To summarize, this book presents chord types shown in various inversions enables the guitarist to find appropriate yet innovative voicings for any chord in any position on the fingerboard.