The survey outlines the italian way to to the new national style in arts and architecture after the Italian national unity since 1860 until First World War. The book points the light particularly on a series of architects, which were born in the Marches: Giuseppe Sacconi, Francesco Tamburini, Guido Cirilli, Ernesto Verrucci, Quadrio Pirani, Costantino Costantini, ecc. whose works contributed to develop the Eclectic language in architecture between XIX and XX century. Some of them exported this language abroad, for instance Tamburini in Argentina or Verrucci in Egypt. Hundreds of color photos, architectural plans, paintings, ecc.