"Love of Perdition" is a novel by Portuguese writer José Maria de Eça de Queirós, published in 1862. The work is one of the most important of the Portuguese Romantic movement and is often considered a precursor to realism in Portuguese literature.

The story revolves around the tragic love between Simão Botelho and Teresa de Alencastre. Simão, a passionate young man, comes from a family of impoverished nobles, while Teresa is a young woman from a wealthy and influential family. Their love faces numerous difficulties, primarily due to the opposition from their families, who do not accept the union because of social class and status issues.

The plot unfolds against a social and political backdrop of Portugal, where aristocratic values and class prejudices are widely explored. The narrative is marked by strong emotional weight, filled with intense feelings, despair, and a sense of tragic destiny.

The work also addresses themes such as societal hypocrisy, the struggle for individual freedom, and the consequences of unbridled passion. With rich and poetic writing, Eça de Queirós critiques the customs of his time, reflecting on the limitations imposed by society and the impact of love on the characters' lives.

"Love of Perdition" is an essential read that explores the nature of love, the fight against adversity, and the inevitability of fate, establishing itself as a classic of Portuguese literature.