House of Leaves is a complex, multi-layered narrative that combines elements of horror, suspense, family drama, and adventure. The story revolves around the Navidson family, who move into a house that turns out to be larger on the inside than the outside. The father, Will Navidson, a renowned photojournalist, documents their experiences in a film called 'The Navidson Record'. The narrative is presented through various layers, including the blind scholar Zampanò's analysis of the film, and the footnotes of Johnny Truant, a tattoo shop apprentice who becomes obsessed with the story. The book explores themes of trauma, obsession, and the blurring of reality and fiction, using an experimental format that includes fragmented text, footnotes, and unconventional page layouts.