Plot: In this last episode of the eighteenth edition of "Per Un Pugno di Libri", the winners of the "endgame" are the fifth B of the Liceo Classico Statale "Giosuè Carducci" of Milan and the fifth H of the Liceo Scientifico Statale "Galileo Galilei" of Palermo. The classes challenge each other on one of William Shakespeare's theatrical masterpieces: "Richard III"