The book follows the life of Lisa Erdman, a half-Jewish opera singer, through her erotic fantasies, her analysis with Sigmund Freud, her subsequent life in pre-war Vienna, and her eventual death in a Nazi concentration camp. The narrative is presented in a variety of styles, including erotic poetry, Freud's case study, third-person narrative, and a surrealistic opera libretto. The novel explores themes of sexuality, psychoanalysis, and the human capacity for evil and destruction.

"The Beast in the Nursery" is a thought-provoking exploration of the themes of child development and creativity, delving into the ways in which our early experiences shape our adult perceptions and our creative impulses. The book examines the concept of the 'beast' within the context of our inner drives and fears, suggesting that our early encounters with language and desire significantly influence our later lives. Through a series of essays, the author intertwines psychoanalytic theory with literature and personal anecdotes, offering insightful reflections on how our childhood experiences continue to resonate within us, potentially stifling or fostering our creative potential.