The punctuation system presented in this paper has explanatory power insofar as it explains how good writers punctuate. The paper notes that good writers have learned, through reading, the differences among a hierarchy of marks and acquired a sense of independent clauses that allows them to use the hierarchy, along with a reader-sensitive notion…

Reviews over 50 textbooks grouped into three categories: (1) workbooks; (2) sentence style books, most of which use sentence combining as the fundamental type of exercise; and (3) copy books, which are used by directly copying passages with signals for particular changes. (EL)