Wide Sargasso Sea by Jean Rhys

This novel is a postcolonial prequel to "Jane Eyre," exploring the life of Mr. Rochester's mad wife, Bertha. Set in Jamaica during the 1830s, it follows the story of Antoinette Cosway, a white Creole heiress, from her youth in the Caribbean to her unhappy marriage and move to England. Caught in a society that both rejects and exoticizes her, Antoinette is ultimately driven into madness by her oppressive husband and the haunting legacy of colonialism.

The 136th greatest book of all time