The four works of Benito Pérez Galdós (1843-1920) grouped in this volume under the title of ?? The novels of Torquemada ?? Have in common the figure of its protagonist and the historical frame of the Spain of the Restoration. The dramatic core of ?? Torquemada ?? In the bonfire is the spiritual commotion that the serious illness of his son produces in the lender; "Torquemada on the cross", "Torquemada in Purgatory"? And Torquemada and San Pedro ?? They narrate the vertiginous social rise of the old usurer, who becomes Marquis by his marital connection with a ruined aristocrat, is appointed senator of the Kingdom and accumulates an enormous fortune by means of financial speculations.