This is a very valuable study and reference book for the bass player. Four different scale and chordal arpeggio forms are sho wn for each major minor and dominant seventh chord. In each key the basic I-IV-V7 chord progression is shown in four differ ent locations on the bass fingerboard. Also included are whole tone and chromatic scales. Finally numerous movable chordal a rpeggio forms are presented on 12 types of chords.