If you loved how If on a winter's night a traveler constantly calls attention to the act of reading and writing, you'll be captivated by House of Leaves. This novel unravels in layers—Johnny Truant's footnotes, the academic analysis of a mysterious film, and the ever-shifting layout all draw you into a metafictional labyrinth. Like Calvino, Danielewski invites you to question what a book can be.

If you were fascinated by the way Calvino weaves multiple narratives and perspectives, Pale Fire will delight you. The novel is presented as a 999-line poem by the fictional John Shade, accompanied by a wildly unreliable commentary from Charles Kinbote. The interplay between poem and notes creates a puzzle where the 'true' story may never be clear—perfect for readers who enjoy literary games.

If you enjoyed Calvino's inventive, disjointed approach to narrative, you'll appreciate how Slaughterhouse-Five leaps through time and memory. Billy Pilgrim's journey is fractured and out of order, blurring the lines between reality and fiction in a way that echoes Calvino’s playful manipulation of structure.

If you were drawn to the philosophical undertones in Calvino's work, Kundera’s The Unbearable Lightness of Being dives deep into questions of identity, existence, and love. Through Tomas, Tereza, and Sabina, Kundera uses story to explore complex ideas, much like Calvino’s intertwining of narrative and thought.

If you liked being kept off-balance by narrators whose motives and realities are uncertain, The New York Trilogy will intrigue you. Its three interlinked stories blur the lines between detective fiction and existential mystery, with protagonists who question their own identities and perceptions, echoing the uncertainty you found so compelling in Calvino.