KS5/Adult Book Recommendation - The Count of Monte Cristo by Alexandre Dumas

The hero of the novel, Edmond Dantes, is a young sailor who is unjustly accused of aiding the exiled Napoleon.  As punishment Dantès is sentenced to life imprisonment in a French island fortress. After 14 years, he makes a daring escape by taking the place of a dead companion; he is sewn into a burial shroud and thrown into the sea. Having learned from his dead prison mate of a vast treasure on the island of Monte Cristo, Dantès eventually makes his way there to uncover and claim it. Adopting the persona of the Count of Monte Cristo, Dantès becomes a powerful, shadowy figure who eventually avenges himself on those who wronged him.