"Touchstone" is an exciting novel by the American writer Edith Wharton, which reveals the life of Lewis Drake, a successful businessman from New York, who suddenly goes on a trip to Italy. During his travels, Lewis meets a mysterious gentleman who invites him to test a magical "touch stone" with life-changing powers. Together with the main character, the reader goes on an unforgettable journey, where unexpected events take place, trials and secrets are revealed, values and ideas about happiness are questioned. The novel "The Stone of Touch" is not only an exciting story, but also a philosophical reflection on human nature, moral choices and the true meaning of happiness.