3 1 40 Introduction To Explanatory And Persuasive Writing Walter Blair Additional Author John Gerber Additional Author mixed material Chuicago Scott, Foresman and Company 1969 Factual_Prose_Introduction_To_Explanatory_And_Persuasive_Writing.jpg Factual Prose Walter Blair Additional Author John C. Gerber Additional Author mixed material Chicago Scott, Foresman and Company 1949 Better_Reading_1_Factual_Prose.jpg Walter Blair Additional Author mixed material New York Scott foresman and company 1935