".: 4. Paris, Langlumé et Peltier, Imprimé par A.Firmin Didot, rue Jacob 24, s.d. (ca.1835), 2 vols in-16°, 12 x 7,5 cm, engraved frontispiece, engraved title with vignette, 229 pp ; 220 pp, contemporary sheepskin, back gilt with green and red label, gold filet on the cover. Nice set although some minor traces of use. This is a French translation of ''Letters on the improvement of the mind addressed to a Young Lady'' which first appeared in 1773."