"Tristana" is a novel by the famous Spanish writer Benito Pérez-Galdos, which was published in 1892. This book tells the story of a young girl named Tristan, who after a tragic event finds herself under the care of an old man. Readers feel the tension between Tristana's free spirit and the social restrictions of her era. Influenced by the events that take place in the life of the main character, the book explores the issues of power, self-expression and love. The author skillfully recreates the atmosphere of Spain in the 19th century, and his deep psychological analysis of the characters makes this book fascinating for the reader. "Tristana" is an unsurpassed masterpiece of world literature, which leaves a mark in the heart of everyone who delve into its pages.