Casa del Libro is a renowned bookstore chain in Spain, and their branch in El Retiro Park is a must-visit for book enthusiasts. The store boasts an extensive collection of books in various languages, covering a wide range of genres and topics. Whether you're interested in fiction, non-fiction, art, or history, Casa del Libro has you covered. The spacious layout and comfortable seating areas make it a great place to spend an afternoon exploring the shelves. Additionally, the store often hosts book presentations and signings, providing an opportunity to engage with authors and fellow readers. Step into Casa del Libro and immerse yourself in the world of literature.