Paris: Gautier-Villars, 1910. hardcover. Translated into French from the Italian by Armand Cahen. 320 pages, tall 8vo, 1/2 vellum over marbled boards (spine darkened and a bit spotty). Paris: Gautier-Villars, 1910. Overall a very good copy of this rather scarce book, with copious neat scholarly penciling throughout the text). very good(+).