years, time to read a great many pages; and as each discusses different topics, or presents them in new a and relations, it is well that books of this class shou multiplied. If twenty different individuals in various of our country, whom Providence has placed in suc cumstances as to interest them particularly in the y would write for them, the books would all be read in were properly written, and would all do good. They be different, if they were the results of the indepe reflection and observation of the authors, and each coöperate with and assist the others.