The structure of Lehane's Mystic River is broken into acts, chapters an scenes (column 1). Columns 2 and 3 respectively give scene length (paragraphs, sentences, words) and descriptiveness ( ratios S/P, W/S, W/P).These are color coded blue low, or gold high.Character reference density is then displayed in the remaining columns. Blue (Sean), Green (Jimmy), tan (Dave), and light red the B characters. Each scene contains its twoprimary chracters (A), and its two remaining B characters. The scene and chapters have rank within their respective superset and ordinal numeration.