London: Harvey and Darton, 1830. viii, 100 pages. Engraved frontispiece. Original quarter green sheep, gilt over marbled boards. First edition. Ownership inscription on front endpaper; some very slight browning to title and last leaf; else an excellent copy. Darton G71. First composed in Italian for the use of a school of "mutual instruction," founded by him in Florence. The work was later translated into French, and it is from that translation that this work has been made.