A Spy in the House of Love is a 1954 novel by Anaïs Nin. Alongside her other novels, Ladders to Fire, Children of the Albatross, The Four-Chambered Heart and Seduction of the Minotaur, it was gathered into a collection known as Cities of the Interior. The novel follows the character of Sabina, a woman who enjoys the sexual licence typically associated with men. Sabina wears extravagant outfits and deliberately avoids romantic commitments. She pursues sexual pleasure in isolation of any other romantic attachment.