GUIMARD, HECTOR. Le Castel Béranger. 65 color plates, chiefly after photographs, showing plans, elevations, exterior and interior details, and wallpaper designs. Oblong folio, modern 1/4 brown morocco, spine tooled and lettered in gilt, top edges gilt; rear hinge cracked. First edition of a monograph on Guimard's first building project in Art Nouveau style, a block of luxury apartments built between 1894 and 1898 near the Gare de Passy in Paris, generally considered his masterpiece. Paris: Librairie Rouam et Cie., [1899]